List of Accepted Plants of the British Isles 2007   S

Accepted Latin Names Common Name In Kent? Type Kent ref. Status Authority Record No.
Sagina apetala Annual Pearlwort Page 77 A1 46--10--7 N Ard. 0920002559
Sagina apetala subsp. apetala   Yes A1 46--10--7--a N   0920001762
Sagina apetala subsp. erecta   Yes A1 46--10--7--b N F. Herm. 0920001761
Sagina maritima Sea Pearlwort Yes A1 46--10--8 N Don 0920001765
Sagina nivalis Snow Pearlwort Yes A1 46--10--2 N (Lindblom) Fr. 0920001764
Sagina nodosa Knotted Pearlwort Page 77 A1 46--10--1 N (L.) Fenzl 0920001766
Sagina procumbens Procumbent Pearlwort Page 77 A1 46--10--5 N L. 0920001767
Sagina saginoides Alpine Pearlwort Yes A1 46--10--4 N (L.) H. Karst. 0920001768
Sagina saginoides x procumbens = S. x normaniana Scottish Pearlwort Yes A1 46--10--4 x 5   Lagerh. 0920002923
Sagina subulata Heath Pearlwort Page 77 A1 46--10--3 N (Sw.) C. Presl 0920001769
Sagina subulata x procumbens = S. x micrantha   Yes A1 46--10--3 x 5   Boreau ex E. Martin 0920002695
Sagittaria graminea Grass-leaved Arrowhead Clement A3 137--1--gra   Michx. 0920005460
Sagittaria latifolia Duck-potato Yes A1 137--1--2 Ne Willd. 0920004500
Sagittaria rigida Canadian Arrowhead Yes A1 137--1--3 Ne Pursh 0920001770
Sagittaria sagittifolia Arrowhead Page 79 A1 137--1--1 N L. 0920001771
Sagittaria subulata Narrow-leaved Arrowhead Yes A1 137--1--4 Ne (L.) Buchenau 0920004499
Salicornia dolichostachya Long-spiked Glasswort Yes A1 43--6--7 N Moss 0920001774
Salicornia europaea Common Glasswort Page 79 A1 43--6--3 N L. 0920001775
Salicornia europaea agg.   Aggregate AK 43--6---      
Salicornia fragilis Yellow Glasswort Yes A1 43--6--6 N P.W. Ball & Tutin 0920001776
Salicornia nitens Shiny Glasswort Yes A1 43--6--5 N P.W. Ball & Tutin 0920001778
Salicornia obscura Glaucous Glasswort Yes A1 43--6--4 N P.W. Ball & Tutin 0920001779
Salicornia procumbens agg.   Clement AK 43--6---      
Salicornia pusilla One-flowered Glasswort Yes A1 43--6--1 N Woods 0920001780
Salicornia pusilla x ramosissima   Yes A1 43--6--1 x 2     0920002698
Salicornia ramosissima Purple Glasswort Page 79 A1 43--6--2 N Woods 0920001781
Salix acutifolia Siberian Violet-willow Yes A1 61--2--7 Ne Willd. 0920007552
Salix alba White Willow Page 79 A1 61--2--3 Ar L. 0920001784
Salix alba x babylonica = S. x sepulcralis Weeping Willow Yes A1 61--2--3 x bab Ne Simonk. 0920002350
Salix arbuscula Mountain Willow Yes A1 61--2--19 N L. 0920001785
Salix arbuscula x herbacea = S. x simulatrix   Yes A1 61--2--19 x 21   F.B. White 0920002353
Salix arbuscula x reticulata = S. x ganderi   Yes A1 61--2--19 x 22   Huter ex Zahn 0920002321
Salix aurita Eared Willow Page 79 A1 61--2--12 N L. 0920001787
Salix aurita x herbacea = S. x margarita   Yes A1 61--2--12 x 21   F.B. White 0920002332
Salix aurita x lapponum = S. x obtusifolia   Yes A1 61--2--12 x 17   Willd. 0920002337
Salix aurita x lapponum x herbacea   Yes A1 61--2--12 x 17 x 21     0920002308
Salix aurita x myrsinifolia = S. x coriacea   Yes A1 61--2--12 x 14   J. Forbes 0920002312
Salix aurita x myrsinifolia x phylicifolia = S. x saxetana   Yes A1 61--2--12 x 14 x 15   F.B. White 0920002346
Salix aurita x phylicifolia = S. x ludificans   Yes A1 61--2--12 x 15   F.B. White 0920002331
Salix aurita x repens = S. x ambigua   Yes A1 61--2--12 x 16 N Ehrh. 0920002304
Salix aurita x repens x herbacea = S. x grahamii   Yes A1 61--2--12 x 16 x 21   Borrer ex Baker 0920002323
Salix babylonica   Clement A3 61--2--bab   L. 0920002380
Salix candida   Clement A3 61--2--can   Flgg‚ 0920008685
Salix caprea Goat Willow Page 79 A1 61--2--10 N L. 0920001788
Salix caprea subsp. caprea   Yes A1 61--2--10--a     0920001788.1
Salix caprea subsp. sphacelata   Yes A1 61--2--10--b N (Sm.) Macreight 0920001788.2
Salix caprea x aurita = S. x capreola   Yes A1 61--2--10 x 12 N Jos. Kern. ex Andersson 0920002309
Salix caprea x cinerea = S. x reichardtii   Yes A1 61--2--10 x 11 N A. Kern. 0920002342
Salix caprea x cinerea x repens   Yes S3 A1 61--2--10 x 11 x 16 N    
Salix caprea x elaeagnos = S. x seringeana   Clement A3 61--2--10 x ela   Gaudin 0920008692
Salix caprea x lapponum = S. x canescens   Yes S3 A1 61--2--10 x 17   Willd. 0920002324
Salix caprea x myrsinifolia = S. x latifolia   Yes S3 A1 61--2--10 x 14   J. Forbes 0920002326
Salix caprea x myrsinifolia x phylicifolia   Yes S3 A1 61--2--10 x 14 x 15      
Salix caprea x phylicifolia   Yes A1 61--2--10 x 15     0920002366
Salix caprea x repens = S. x laschiana   Yes A1 61--2--10 x 16   Zahn 0920002325
Salix cinerea   Page 79 A1 61--2--11 N L. 0920001789
Salix cinerea subsp. cinerea Grey Willow Yes A1 61--2--11--a N   0920001790
Salix cinerea subsp. oleifolia Rusty Willow Yes A1 61--2--11--b N Macreight 0920001786
Salix cinerea x aurita = S. x multinervis   Yes A1 61--2--11 x 12 N D”ll 0920002335
Salix cinerea x aurita x myrsinifolia = S. x forbesiana   Yes A1 61--2--11 x 12 x 14   Druce 0920002317
Salix cinerea x myrsinifolia = S. x strepida   Yes A1 61--2--11 x 14   Schleich. ex J. Forbes 0920002360
Salix cinerea x myrsinifolia x phylicifolia   Yes S3 A1 61--2--11 x 14 x 15      
Salix cinerea x phylicifolia = S. x laurina Laurel-leaved Willow Yes A1 61--2--11 x 15 N Sm. 0920002327
Salix cinerea x repens = S. x subsericea   Yes A1 61--2--11 x 16   D”ll 0920002361
Salix daphnoides European Violet-willow Yes A1 61--2--6 Ne Vill. 0920001791
Salix discolor Glaucous Willow Clement A3 61--2--dis   Muhl. 0920008686
Salix elaeagnos Olive Willow Yes S1 A1 61--2--ela Ne Scop. 0920004382
Salix eriocephala Heart-leaved Willow Yes A1 61--2--13 Ne Michx. 0920007553
Salix fragilis Crack-willow Page 79 A1 61--2--2 Ar L. 0920001793
Salix fragilis x alba = S. x rubens Hybrid Crack-willow Yes A1 61--2--2 x 3 Ar Schrank 0920002343
Salix fragilis x babylonica = S. x pendulina Weeping Crack-willow Yes A1 61--2--2 x bab Ne Wender. 0920002307
Salix fragilis x triandra = S. x alopecuroides   Yes A1 61--2--2 x 4   Tausch ex Opiz 0920002357
Salix herbacea Dwarf Willow Page 79 A1 61--2--21 N L. 0920001794
Salix hookeriana   Clement A3 61--2--hoo   Barratt 0920008687
Salix irrorata Blue-stem Willow Clement A3 61--2--irr   Andersson 0920004100
Salix lanata Woolly Willow Yes A1 61--2--18 N L. 0920001795
Salix lanata x herbacea = S. x sadleri   Yes A1 61--2--18 x 21   Syme 0920002345
Salix lapponum Downy Willow Yes A1 61--2--17 N L. 0920001796
Salix lapponum x arbuscula = S. x pseudoglauca   Yes S3 A1 61--2--17 x 19   Andersson 0920002340
Salix lapponum x herbacea = S. x sobrina   Yes A1 61--2--17 x 21   F.B. White 0920002355
Salix lapponum x lanata   Yes S2 A1 61--2--17 x 18     0920003813
Salix lucida Shining Willow Clement A3 61--2--luc   Muhl. 0920008688
Salix microstachya   Clement A3 61--2--mic   Turcz. ex Trautv. 0920008689
Salix myrsinifolia Dark-leaved Willow Yes A1 61--2--14 N Salisb. 0920001797
Salix myrsinifolia x arbuscula   Yes S2 A1 61--2--14 x 19      
Salix myrsinifolia x lapponum   Yes S1 A1 61--2--14 x 17     0920003557
Salix myrsinifolia x myrsinites = S. x punctata   Yes A1 61--2--14 x 20   Wahlenb. 0920002341
Salix myrsinifolia x phylicifolia = S. x tetrapla   Yes A1 61--2--14 x 15 N Walker 0920002363
Salix myrsinifolia x phylicifolia x myrsinites = S. x blyttiana   Yes S3 A1 61--2--14 x 15 x 20   Andersson 0920002367
Salix myrsinifolia x phylicifolia x repens   Yes S1 A1 61--2--14 x 15 x 16     0920003559
Salix myrsinifolia x repens = S. x felina   Yes A1 61--2--14 x 16   Buser ex E.G. Camus & A. Camus 0920002316
Salix myrsinites Whortle-leaved Willow Yes A1 61--2--20 N L. 0920001798
Salix myrsinites x herbacea   Yes S1 A1 61--2--20 x 21     0920003555
Salix pentandra Bay Willow Page 79 A1 61--2--1 N L. 0920001799
Salix pentandra x alba = S. x ehrhartiana Ehrhart's Willow Yes A1 61--2--1 x 3 Ne Sm. 0920002315
Salix pentandra x fragilis = S. x meyeriana Shiny-leaved Willow Yes A1 61--2--1 x 2 ? Rostk. ex Willd. 0920002333
Salix petiolaris Slender Willow Clement A3 61--2--pet   Sm. 0920008690
Salix phylicifolia Tea-leaved Willow Yes A1 61--2--15 N L. 0920001800
Salix phylicifolia x repens   Yes A1 61--2--15 x 16     0920002347
Salix purpurea Purple Willow Page 79 A1 61--2--5 N L. 0920001801
Salix purpurea x aurita = S. x dichroa   Yes A1 61--2--5 x 12   D”ll 0920002313
Salix purpurea x aurita x phylicifolia = S. x sesquitertia   Yes A1 61--2--5 x 12 x 15   F.B. White 0920002352
Salix purpurea x cinerea = S. x pontederiana   Yes A1 61--2--5 x 11   Willd. 0920002356
Salix purpurea x cinerea x aurita = S. x confinis   Yes A1 61--2--5 x 11 x 12   E.G. Camus & A. Camus 0920002311
Salix purpurea x myrsinifolia = S. x beckiana   Yes A1 61--2--5 x 14   Beck 0920002306
Salix purpurea x phylicifolia = S. x secerneta   Yes A1 61--2--5 x 15   F.B. White 0920002348
Salix purpurea x repens = S. x doniana   Yes A1 61--2--5 x 16   G. Anderson ex Sm. 0920002314
Salix purpurea x viminalis = S. x rubra Green-leaved Willow Yes A1 61--2--5 x 9 ? Huds. 0920002344
Salix purpurea x viminalis x caprea x cinerea = S. x taylorii   Yes A1 61--2--5 x 9 x 10 x 11   Rech. f. 0920002362
Salix purpurea x viminalis x cinerea = S. x forbyana Fine Osier Yes A1 61--2--5 x 9 x 11 ? Sm. 0920002318
Salix repens Creeping Willow Page 79 A1 61--2--16 N L. 0920001802
Salix repens x arbuscula   Yes S1 A1 61--2--16 x 19     0920003548
Salix repens x herbacea = S. x cernua   Yes A1 61--2--16 x 21   E.F. Linton 0920002310
Salix repens x lapponum   Yes S3 A1 61--2--16 x 17     0920002339
Salix reticulata Net-leaved Willow Yes A1 61--2--22 N L. 0920001803
Salix schraderiana   Clement A3 61--2--sch   Willd. 0920008691
Salix triandra Almond Willow Page 79 A1 61--2--4 Ar L. 0920001804
Salix triandra x purpurea   Yes A1 61--2--4 x 5     0920002328
Salix triandra x viminalis = S. x mollissima Sharp-stipuled Willow Yes A1 61--2--4 x 9 Ar Hoffm. ex Elwert 0920002334
Salix udensis Sachalin Willow Yes A1 61--2--8 Ne Trautv. & C.A. Mey. 0920007554
Salix viminalis Osier Page 79 A1 61--2--9 Ar L. 0920001805
Salix viminalis x aurita = S. x fruticosa Shrubby Osier Yes A1 61--2--9 x 12 ? D”ll 0920002320
Salix viminalis x caprea = S. x smithiana Broad-leaved Osier Yes S3 A1 61--2--9 x 10 ? Willd. 0920002351
Salix viminalis x caprea x aurita = S. x stipularis Eared Osier Yes A1 61--2--9 x 10 x 12 ? Sm. 0920002358
Salix viminalis x caprea x cinerea = S. x calodendron Holme Willow Yes A1 61--2--9 x 10 x 11 Ne Wimm. 0920001792
Salix viminalis x cinerea = S. x holosericea Silky-leaved Osier Yes S3 A1 61--2--9 x 11 ? Willd. 0920002354
Salix viminalis x cinerea x aurita = S. x hirtei   Stace A2 61--2--9 x 11 x 12   Str„hler 0920003814
Salix viminalis x cinerea x repens = S. x angusensis   Yes A1 61--2--9 x 11 x 16   Rech. f. 0920002305
Salix viminalis x myrsinifolia = S. x seminigricans   Yes A1 61--2--9 x 14   E.G. Camus & A. Camus 0920007555
Salix viminalis x repens = S. x friesiana   Yes A1 61--2--9 x 16   Andersson 0920002319
Salpichroa origanifolia Cock's-eggs Yes A1 110--5--1 Ne (Lam.) Thell. 0920007556
Salpiglossis sinuata Painted-tongue Clement A3 110--SAL--sin   Ruiz & Pav. 0920008693
Salsola collina   Clement A3 43--8--col   Pall. 0920008694
Salsola kali   Page 79 A1 43--8--1   L. 0920005441
Salsola kali subsp. iberica Spineless Saltwort Yes A1 43--8--1--b Ne (Sennen & Pau) Rilke 0920001807
Salsola kali subsp. kali Prickly Saltwort Yes A1 43--8--1--a N   0920001806
Salsola kali subsp. tragus   Clement A3 43--8--1--c   (L.) Nyman 0920001808
Salsola soda   Clement A3 43--8--sod   L. 0920008695
Salvia aethiopis African Sage Clement A3 118--25--aet   L. 0920004237
Salvia argentea Silver Sage Clement A3 118--25--arg   L. 0920008696
Salvia barrelieri   Clement A3 118--25--bar   Etl. 0920008697
Salvia bornmuelleri   Clement A3 118--25--bor   Hausskn. 0920008698
Salvia glutinosa Sticky Clary Yes A1 118--25--2 Ne L. 0920007557
Salvia nemorosa Balkan Clary Clement A3 118--25--nem   L. 0920001811
Salvia officinalis Sage Clement A3 118--25--off   L. 0920008201
Salvia pratensis Meadow Clary Yes A1 118--25--3 ?N L. 0920001810
Salvia pratensis x nemorosa = S. x sylvestris Hybrid Clary Yes S2 A1 118--25--3 x nem   L.  
Salvia reflexa Mintweed Stace A2 118--25--ref Ca Hornem. 0920008202
Salvia sclarea Clary Yes A1 118--25--1 Ne L. 0920007558
Salvia splendens Scarlet Sage Clement A3 118--25--spl   Ker Gawl. 0920008203
Salvia verbenaca Wild Clary Page 79 A1 118--25--4 N L. 0920001812
Salvia verticillata Whorled Clary Yes A1 118--25--6 Ne L. 0920001813
Salvia villicaulis   Clement A3 118--25--vil   Borb s 0920005681
Salvia virgata   Clement A3 118--25--vir   Jacq. 0920005692
Salvia viridis Annual Clary Yes A1 118--25--5 N L. 0920007559
Salvia x andrzejowskii   Clement A3 118--25--and   Blocki 0920008699
Sambucus canadensis American Elder Yes A1 131--1--3 Ne L. 0920007560
Sambucus ebulus Dwarf Elder Page 79 A1 131--1--4 Ar L. 0920001814
Sambucus nigra Elder Page 79 A1 131--1--2 N L. 0920001815
Sambucus racemosa Red-berried Elder Page 79 A1 131--1--1 Ne L. 0920001816
Samolus valerandi Brookweed Page 79 A1 69--8--1 N L. 0920001817
Sanguisorba canadensis White Burnet Yes A1 75--17--2 Ne L. 0920007561
Sanguisorba minor   Page 81 A1 75--17--3   Scop. 0920005442
Sanguisorba minor subsp. magnolii   Clement A3 75--17--3--c   (Spach) Briq. 0920008700
Sanguisorba minor subsp. minor Salad Burnet Yes A1 75--17--3--a N   0920001599
Sanguisorba minor subsp. muricata Fodder Burnet Yes A1 75--17--3--b Ne (Gremli) Briq. 0920001598
Sanguisorba officinalis Great Burnet Page 81 A1 75--17--1 N L. 0920001818
Sanicula europaea Sanicle Page 81 A1 107--2--1 N L. 0920001819
Santolina chamaecyparissus Lavender-cotton Yes A1 135--51--1 Ne L. 0920001820
Santolina rosmarinifolia Holy-flax Clement A3 135--51--ros   L. 0920008701
Sanvitalia procumbens   Clement A3 135--SAN--pro   Lam. 0920008204
Saponaria calabrica   Clement A3 46--22--cal   Guss. 0920005656
Saponaria glutinosa   Clement A3 46--22--glu   M. Bieb. 0920008702
Saponaria ocymoides Rock Soapwort Yes A1 46--22--2 Ne L. 0920005410
Saponaria officinalis Soapwort Page 81 A1 46--22--1 Ar L. 0920001821
Saponaria orientalis   Clement A3 46--22--ori   L. 0920008703
Sarcococca confusa   Clement A3 90--SAR--con   Sealy 0920008704
Sarcococca hookeriana   Clement A3 90--SAR--hoo   Baill. 0920008705
Sarcocornia perennis Perennial Glasswort Yes A1 43--5--1 N (Mill.) A.J. Scott 0920001777
Sarracenia flava Trumpets Clement A3 54--1--fla   L. 0920008205
Sarracenia leucophylla Purple Trumpet-leaf Clement A3 54--1--leu   Raf. 0920008706
Sarracenia purpurea Pitcherplant Yes A1 54--1--1 Ne L. 0920001823
Sasa palmata Broad-leaved Bamboo Yes A1 153--3--1 Ne (Burb.) E.G. Camus 0920004308
Sasa veitchii Veitch's Bamboo Yes A1 153--3--2 Ne (CarriŠre) Rehder 0920004309
Sasaella ramosa Hairy Bamboo Yes A1 153--4--1 Ne (Makino) Makino 0920004310
Satureja hortensis Summer Savory Clement A3 118--17--hor   L. 0920004107
Satureja montana Winter Savory Yes A1 118--17--1 Ne L. 0920001824
Saussurea alpina Alpine Saw-wort Page 81 A1 135--4--1 N (L.) DC. 0920001825
Saussurea discolor Heart-leaved Saussurea Clement A3 135--4--dis   (Willd.) DC. 0920008707
Saxifraga aizoides Yellow Saxifrage Page 81 A1 74--5--12 N L. 0920001826
Saxifraga cernua Drooping Saxifrage Yes A1 74--5--14 N L. 0920001827
Saxifraga cespitosa Tufted Saxifrage Yes A1 74--5--18 N L. 0920001828
Saxifraga cuneifolia Lesser Londonpride Yes A1 74--5--7 Ne L. 0920007562
Saxifraga cymbalaria Celandine Saxifrage Yes A1 74--5--2 Ne L. 0920001829
Saxifraga granulata Meadow Saxifrage Page 81 A1 74--5--15 N L. 0920001830
Saxifraga hirculus Marsh Saxifrage Yes A1 74--5--1 N L. 0920001832
Saxifraga hirsuta Kidney Saxifrage Yes A1 74--5--10 N L. 0920001833
Saxifraga hypnoides Mossy Saxifrage Page 81 A1 74--5--16 N L. 0920001835
Saxifraga hypnoides x rosacea   Yes A1 74--5--16 x 17     0920002704
Saxifraga hypnoides x tridactylites   Yes A1 74--5--16 x 19     0920007563
Saxifraga nivalis Alpine Saxifrage Yes A1 74--5--3 N L. 0920001836
Saxifraga oppositifolia Purple Saxifrage Page 81 A1 74--5--11 N L. 0920001837
Saxifraga paniculata Livelong Saxifrage Yes S1 A1 74--5--pan Ne Mill. 0920003561
Saxifraga rivularis Highland Saxifrage Yes A1 74--5--13 N L. 0920001838
Saxifraga rosacea Irish Saxifrage Yes A1 74--5--17   Moench 0920005482
Saxifraga rosacea subsp. hartii   Yes A1 74--5--17--b N (D.A. Webb) D.A. Webb 0920001831
Saxifraga rosacea subsp. rosacea   Yes A1 74--5--17--a N   0920001839
Saxifraga rotundifolia Round-leaved Saxifrage Yes A1 74--5--6 Ne L. 0920007564
Saxifraga spathularis St Patrick's-cabbage Yes A1 74--5--9 N Brot. 0920001840
Saxifraga spathularis x hirsuta = S. x polita False Londonpride Yes A1 74--5--9 x 10 Ne (Haw.) Link 0920001834
Saxifraga stellaris Starry Saxifrage Page 81 A1 74--5--4 N L. 0920001842
Saxifraga stolonifera Strawberry Saxifrage Yes A1 74--5--5 Ne Curtis 0920007565
Saxifraga tridactylites Rue-leaved Saxifrage Page 81 A1 74--5--19 N L. 0920001843
Saxifraga trifurcata   Clement A3 74--5--tri   Schrad. 0920008708
Saxifraga umbrosa Pyrenean Saxifrage Yes A1 74--5--8 Ne L. 0920001844
Saxifraga umbrosa x hirsuta = S. x geum Scarce Londonpride Yes A1 74--5--8 x 10 Ne L. 0920004324
Saxifraga umbrosa x spathularis = S. x urbium Londonpride Yes A1 74--5--8 x 9 Ne D.A. Webb 0920001841
Saxifraga x arendsii   Clement A3 74--5--are   Engl. 0920004174
Saxifraga x geum x paniculata = S. x andrewsii   Clement A3 74--5--8 x 10 x pan   Harv. 0920008709
Scabiosa atropurpurea Sweet Scabious Yes A1 134--5--2 Ne L. 0920001845
Scabiosa canescens   Clement A3 134--5--can   Waldst. & Kit. 0920008710
Scabiosa caucasica Pincushion-flower Clement A3 134--5--cau   M. Bieb. 0920004111
Scabiosa columbaria Small Scabious Page 81 A1 134--5--1 N L. 0920001846
Scabiosa ochroleuca   Clement A3 134--5--och   L. 0920008711
Scabiosa prolifera   Clement A3 134--5--pro   L. 0920008712
Scabiosa tricuspidata   Clement A3 134--5--tri   hort., nom. nud. 0920008713
Scandix australis   Clement A3 107--7--aus   L. 0920004096
Scandix iberica   Clement A3 107--7--ibe   M. Bieb. 0920008714
Scandix pecten-veneris Shepherd's-needle Yes A1 107--7--1 Ar L. 0920001847
Scandix stellata   Clement A3 107--7--ste   Banks & Sol. 0920008715
Schedonnardus paniculatus   Clement A3 153--SCE--pan   (Nutt.) Trel. 0920008716
Scheuchzeria palustris Rannoch-rush Yes A1 140--1--1 N L. 0920001848
Schismus arabicus   Clement A3 153--SCH--ara   Nees 0920008717
Schismus barbatus Kelch-grass Stace A2 153--SCH--bar Ca (L.) Thell. 0920003150
Schizanthus grahamii x pinnatus = S. x wisetonensis   Clement A3 110--SCH--pin x gra   hort., nom. nud. 0920008719
Schizanthus pinnatus Poor-man's-orchid Clement A3 110--SCH--pin   Ruiz & Pav. 0920008718
Schizostylis coccinea Kaffir Lily Yes S3 A1 159--SCH--coc   Backh. & Harv. ex Hook. f. 0920004131
Schkuhria pinnata Dwarf Marigold Stace A2 135--SCH--pin Ca (Lam.) Kuntze 0920008206
Schmidtia kalihariensis   Clement A3 153--SCI--kal   Stent 0920008720
Schoenoplectus lacustris Common Club-rush Page 81 A1 152--7--1 N (L.) Palla 0920001851
Schoenoplectus lacustris x triqueter = S. x carinatus   Yes A1 152--7--1 x 3   (Sm.) Palla 0920001850
Schoenoplectus pungens Sharp Club-rush Yes A1 152--7--4 ?N (Vahl) Palla 0920001849
Schoenoplectus tabernaemontani Grey Club-rush Page 81 A1 152--7--2 N (C.C. Gmel.) Palla  
Schoenoplectus tabernaemontani x triqueter = S. x kuekenthalianus   Yes A1 152--7--2 x 3   (Junge) D.H. Kent  
Schoenoplectus triqueter Triangular Club-rush Yes A1 152--7--3 N (L.) Palla 0920001853
Schoenus ferrugineus Brown Bog-rush Yes A1 152--12--2 N L. 0920001854
Schoenus nigricans Black Bog-rush Page 81 A1 152--12--1 N L. 0920001855
Sciadopitys verticullata Umbrella-pine Clement A3 20A--SCI--ver   (Thunb.) Siebold & Zucc. 0920008721
Scilla autumnalis Autumn Squill Page 81 A1 158--19--7 N L. 0920001856
Scilla bifolia Alpine Squill Yes A1 158--19--1 Ne L. 0920007566
Scilla bithynica Turkish Squill Yes S1 A1 158--19--bit Ne Boiss. 0920003562
Scilla liliohyacinthus Pyrenean Squill Yes A1 158--19--5 Ne L. 0920004413
Scilla messeniaca Greek Squill Yes A1 158--19--2 Ne Boiss. 0920007567
Scilla peruviana Portuguese Squill Yes A1 158--19--6 Ne L. 0920007568
Scilla puschkinioides Russian Squill Clement A3 158--19--pus   Regel 0920008722
Scilla siberica Siberian Squill Yes A1 158--19--3 Ne Haw. 0920007569
Scilla verna Spring Squill Page 81 A1 158--19--4 N Huds. 0920001857
Scirpoides holoschoenus Round-headed Club-rush Yes A1 152--6--1 N (L.) Soj k 0920000985
Scirpus inundatus Swamp Club-rush Clement A3 152--5--inu   (R. Br.) Poir. 0920008723
Scirpus nodosus Knotted Club-rush Clement A3 152--5--nod   Rottb. 0920008724
Scirpus sylvaticus Wood Club-rush Page 81 A1 152--5--1 N L. 0920001861
Scleranthus annuus Annual Knawel Page 81 A1 46--11--2 N L. 0920001862
Scleranthus annuus subsp. annuus   Yes A1 46--11--2--a     0920001862.1
Scleranthus annuus subsp. polycarpos   Yes A1 46--11--2--b N (L.) Bonnier & Layens 0920001862.2
Scleranthus perennis Perennial Knawel Yes A1 46--11--1   L. 0920001863
Scleranthus perennis subsp. perennis   Yes A1 46--11--1--a N   0920001863.1
Scleranthus perennis subsp. prostratus   Yes A1 46--11--1--b N P.D. Sell 0920001863.2
Scleria bracteata   Clement A3 152--SCL--bra   Cav. 0920005590
Sclerochloa dura   Clement A3 153--SCL--dur   (L.) P. Beauv. 0920008725
Sclerolaena anisacanthoides   Clement A3 43--SCL--ani   (F. Muell.) Domin 0920008726
Sclerolaena birchii Galvanized Bur Clement A3 43--SCL--bir   (F. Muell.) Domin 0920008727
Sclerolaena divaricata Tangled Bassia Clement A3 43--SCL--div   (R. Br.) Domin 0920008728
Sclerolaena muricata Five-spined Bassia Clement A3 43--SCL--mur   (Moq.) Domin 0920008729
Scolymus grandiflorus   Clement A3 135--SCO--gra   Desf. 0920008730
Scolymus hispanicus Golden Thistle Stace A2 135--SCO--his Ca L. 0920008207
Scolymus maculatus   Clement A3 135--SCO--mac   L. 0920008208
Scopolia carniolica Scopolia Clement A3 110--SCO--car   Jacq. 0920008209
Scorpiurus muricatus Caterpillar-plant Stace A2 77--SCO--mur Ca L. 0920008210
Scorpiurus vermiculatus   Clement A3 77--SCO--ver   L. 0920008731
Scorzonera hispanica Scorzonera Clement A3 135--18--his   L. 0920008211
Scorzonera humilis Viper's-grass Yes A1 135--18--1 ?N L. 0920001864
Scrophularia auriculata Water Figwort Page 81 A1 124--2--2 N L. 0920001865
Scrophularia canina French Figwort Clement A3 124--2--can   L. 0920001866
Scrophularia nodosa Common Figwort Page 83 A1 124--2--1 N L. 0920001867
Scrophularia peregrina Nettle-leaved Figwort Clement A3 124--2--per   L. 0920004238
Scrophularia scopolii Italian Figwort Clement A3 124--2--sco   Hoppe ex Pers. 0920008732
Scrophularia scorodonia Balm-leaved Figwort Yes A1 124--2--4 Ne L. 0920001868
Scrophularia umbrosa Green Figwort Yes A1 124--2--3 N Dumort. 0920001869
Scrophularia vernalis Yellow Figwort Yes A1 124--2--5 Ne L. 0920001870
Scutellaria altissima Somerset Skullcap Yes A1 118--10--1 Ne L. 0920001871
Scutellaria galericulata Skullcap Page 83 A1 118--10--2 N L. 0920001872
Scutellaria galericulata x minor = S. x hybrida   Yes A1 118--10--2 x 4   Strail 0920002924
Scutellaria hastifolia Norfolk Skullcap Clement A3 118--10--has Ne L. 0920001873
Scutellaria minor Lesser Skullcap Page 83 A1 118--10--4 N Huds. 0920001874
Secale cereale Rye Stace A2 153--SEC--cer Ca L. 0920004369
Secale montanum   Clement A3 153--SEC--mon   Guss. 0920008733
Securigera cretica   Clement A3 77--13--cre   (L.) Lassen 0920008734
Securigera securidaca Hatchet Vetch Clement A3 77--13--sec   (L.) Degen & D”rfl. 0920004258
Securigera varia Crown Vetch Yes A1 77--13--1 Ne (L.) Lassen 0920000550
Sedum acre Biting Stonecrop Page 83 A1 73--5--12 N L. 0920001875
Sedum album White Stonecrop Page 83 A1 73--5--14 Ar L. 0920001876
Sedum anacampseros Love-restoring Stonecrop Yes A1 73--5--6 Ne L. 0920007570
Sedum anglicum English Stonecrop Page 83 A1 73--5--16 N Huds. 0920001877
Sedum cepaea Pink Stonecrop Clement A3 73--5--cep   L. 0920008212
Sedum confusum Lesser Mexican-stonecrop Yes A1 73--5--3 Ne Hemsl. 0920007571
Sedum dasyphyllum Thick-leaved Stonecrop Yes A1 73--5--17 Ne L. 0920001878
Sedum forsterianum Rock Stonecrop Page 83 A1 73--5--11 N Sm. 0920001879
Sedum hispanicum Spanish Stonecrop Yes A1 73--5--19 Ne L. 0920007572
Sedum hybridum Siberian Stonecrop Clement A3 73--5--hyb   L. 0920008213
Sedum kamtschaticum Kamchatka Stonecrop Yes S1 A1 73--5--kam Ne Mast. 0920007836
Sedum lydium Least Stonecrop Yes A1 73--5--15 Ne Boiss. 0920001880
Sedum mexicanum Mexican-stonecrop Clement A3 73--5--mex   Britton 0920008735
Sedum nicaeense Pale Stonecrop Yes A1 73--5--9 Ne All. 0920007573
Sedum pallidum   Clement A3 73--5--pal   M. Bieb. 0920008736
Sedum populifolium   Clement A3 73--5--pop   Pall. 0920008737
Sedum praealtum Greater Mexican-stonecrop Yes A1 73--5--2 Ne A. DC. 0920007574
Sedum rosea Roseroot Page 83 A1 73--5--1 N (L.) Scop. 0920001882
Sedum rubrotinctum Jelly-beans Clement A3 73--5--rub   R.T. Clausen 0920008738
Sedum rupestre Reflexed Stonecrop Page 83 A1 73--5--10 Ne L. 0920001881
Sedum sexangulare Tasteless Stonecrop Yes A1 73--5--13 Ne L. 0920001883
Sedum sieboldii   Clement A3 73--5--sie   Sweet ex Hook. 0920008739
Sedum spathulifolium Colorado Stonecrop Yes S1 A1 73--5--spa Ne Hook. 0920008214
Sedum spectabile Butterfly Stonecrop Yes A1 73--5--4 Ne Boreau 0920007575
Sedum spectabile x telephium = S. 'Herbstfreude' Autumn Stonecrop Yes S3 A1 73--5---      
Sedum spurium Caucasian-stonecrop Yes A1 73--5--7 Ne M. Bieb. 0920001884
Sedum stellatum Starry Stonecrop Yes S2 A1 73--5--ste   L. 0920004163
Sedum stoloniferum Lesser Caucasian-stonecrop Yes A1 73--5--8 Ne S.G. Gmel. 0920007576
Sedum telephium Orpine Page 83 A1 73--5--5 N L. 0920001885
Sedum telephium subsp. fabaria   Yes A1 73--5--5--b   Syme 0920001885.1
Sedum telephium subsp. maximum   Clement A3 73--5--5--c   (L.) Krock. 0920001885.3
Sedum telephium subsp. telephium   Yes A1 73--5--5--a     0920001885.2
Sedum villosum Hairy Stonecrop Yes A1 73--5--18 N L. 0920001886
Seidelia mercurialis   Clement A3 91--SEI--mer   Baill. 0920008740
Selaginella kraussiana Krauss's Clubmoss Yes A1 2--1--2 Ne (Kunze) A. Braun 0910001887
Selaginella selaginoides Lesser Clubmoss Page 83 A1 2--1--1 N (L.) P. Beauv. 0910001888
Selago corymbosa   Clement A3 124A--SEL--cor   L. 0920008741
Selinum carvifolia Cambridge Milk-parsley Yes A1 107--35--1 N (L.) L. 0920001889
Semiarundinaria fastuosa Narihira Bamboo Yes S1 A1 153--SEM--fas Ne (Lat.-Marl. ex Mitford) Makino ex Nakai 0920004311
Sempervivum andreanum   Clement A3 73--3--and   Wale 0920008742
Sempervivum arachnoideum Cobweb House-leek Yes S1 A1 73--3--ara Ne L. 0920003563
Sempervivum montanum Mountain House-leek Clement A3 73--3--mon   L. 0920008743
Sempervivum tectorum House-leek Yes A1 73--3--1 Ne L. 0920001890
Senecio aegyptius   Clement A3 135--62--aeg   L. 0920008744
Senecio aquaticus Marsh Ragwort Page 83 A1 135--62--11 N Hill 0920001891
Senecio arenarius   Clement A3 135--62--are   Thunb. 0920008745
Senecio bipinnatisectus Australian Fireweed Clement A3 135--62--bip   Belcher 0920008746
Senecio brasiliensis   Clement A3 135--62--bra   Less. 0920008747
Senecio cambrensis Welsh Groundsel Yes A1 135--62--14 N Rosser 0920002294
Senecio caracasanus   Clement A3 135--62--car   Klatt 0920008748
Senecio cineraria Silver Ragwort Yes A1 135--62--1 Ne DC. 0920001892
Senecio cineraria x erucifolius = S. x thuretii   Yes A1 135--62--1 x 12   Briq. & Cavill. 0920007582
Senecio cineraria x jacobaea = S. x albescens   Yes A1 135--62--1 x 10 ? Burb. & Colgan 0920002821
Senecio doria Golden Ragwort Yes A1 135--62--6 Ne L. 0920001894
Senecio doronicum Chamois Ragwort Yes A1 135--62--8 Ne (L.) L. 0920007577
Senecio eboracensis   Yes S3 A1 135--62--ebo   R.J. Abbott & A.J. Lowe  
Senecio elegans Purple Groundsel Clement A3 135--62--ele   L. 0920004239
Senecio erucifolius Hoary Ragwort Page 83 A1 135--62--12 N L. 0920001896
Senecio fluviatilis Broad-leaved Ragwort Yes A1 135--62--4 Ne Wallr. 0920001897
Senecio gallicus French Groundsel Clement A3 135--62--gal   Chaix 0920008749
Senecio glastifolius Woad-leaved Ragwort Clement, S1,S3 A3 135--62--gla Ne L. f. 0920003564
Senecio glomeratus Annual Fireweed Clement A3 135--62--glo   Desf. ex Poir. 0920008750
Senecio glossanthus Slender Groundsel Clement A3 135--62--gls   (Sond.) Belcher 0920008751
Senecio grandiflorus Purple Ragwort Yes A1 135--62--2 Ne P.J. Bergius 0920007578
Senecio hieracioides   Clement A3 135--62--hie   DC. 0920008752
Senecio inaequidens Narrow-leaved Ragwort Yes A1 135--62--3 Ne DC. 0920007579
Senecio jacobaea Common Ragwort Page 83 A1 135--62--10 N L. 0920001899
Senecio jacobaea x aquaticus = S. x ostenfeldii   Yes A1 135--62--10 x 11 N Druce 0920002612
Senecio juniperinus   Clement A3 135--62--jun   L. f. 0920008753
Senecio leucanthemifolius   Clement A3 135--62--leu   Poir. 0920008754
Senecio linearifolius Fireweed Groundsel Clement A3 135--62--lin   A. Rich. 0920008755
Senecio minimus Toothed Fireweed Yes S3 A1 135--62--min   Poir. 0920008756
Senecio nudiusculus   Clement A3 135--62--nud   DC. 0920008757
Senecio oederiifolius   Clement A3 135--62--oed   DC. 0920008758
Senecio ovatus Wood Ragwort Yes A1 135--62--5 Ne (P. Gaertn., B. Mey. & Scherb.) Willd. 0920007580
Senecio paludosus Fen Ragwort Yes A1 135--62--7 N L. 0920001900
Senecio pinnulatus   Clement A3 135--62--pin   Thunb. 0920008759
Senecio pterophorus Shoddy Ragwort Stace A2 135--62--pte Ca DC. 0920008215
Senecio quadridentatus Cotton Fireweed Clement A3 135--62--qua   Labill. 0920008760
Senecio smithii Magellan Ragwort Yes A1 135--62--9 Ne DC. 0920004436
Senecio squalidus Oxford Ragwort Page 83 A1 135--62--13 Ne L. 0920001902
Senecio squalidus x viscosus = S. x subnebrodensis   Yes A1 135--62--13 x 18 ? Simonk. 0920002625
Senecio squalidus x vulgaris = S. x baxteri   Yes A1 135--62--13 x 15 ? Druce 0920002822
Senecio sylvaticus Heath Groundsel Page 83 A1 135--62--17 N L. 0920001903
Senecio sylvaticus x viscosus = S. x viscidulus   Yes A1 135--62--17 x 18   Scheele 0920002823
Senecio vernalis Eastern Groundsel Yes A1 135--62--16 Ne Waldst. & Kit. 0920002553
Senecio viscosus Sticky Groundsel Page 83 A1 135--62--18 Ne L. 0920001904
Senecio vulgaris Groundsel Page 83 A1 135--62--15 N L. 0920001905
Senecio vulgaris x vernalis = S. x helwingii   Yes A1 135--62--15 x 16   Beger ex Hegi 0920007581
Senna obtusifolia American Sicklepod Clement A3 76A--SEN--obt   (L.) Irwin & Barneby 0920005686
Senna occidentalis Coffee Senna Clement A3 76A--SEN--occ   (L.) Link 0920008761
Sequoia sempervirens Coastal Redwood Yes S1 A1 20A--SEQ--sem Ne (D. Don) Endl. 0920002417
Sequoiadendron giganteum Wellingtonia Stace A2 20A--Sqd--gig Ne (Lindl.) Buchholz 0920002410
Serapias lingua Tongue-orchid Clement A3 162--SER--lin   L. 0920004242
Serapias neglecta Scarce Tongue-orchid Clement A3 162--SER--neg   De Not. 0920008762
Serapias parviflora Small-flowered Tongue-orchid Yes S3 A1 162--SER--par ?N Parl. 0920004243
Seriphidium compactum   Clement A3 135--49--com   (Fisch. ex DC.) Poljakov 0920008763
Seriphidium maritimum Sea Wormwood Page 83 A1 135--49--1 N (L.) Poljakow 0920000172
Serratula tinctoria Saw-wort Page 83 A1 135--9--1 N L. 0920001906
Sesamum orientale Sesame Clement A3 127A--SES--ori   L. 0920005693
Sesbania benthamiana   Clement A3 77--SES--ben   Domin 0920008764
Sesbania bispinosa   Clement A3 77--SES--bis   (Jacq.) W. Wight 0920008765
Sesbania exaltata Colorado River-hemp Clement A3 77--SES--exa   (Raf.) Cory 0920008217
Seseli libanotis Moon Carrot Yes A1 107--18--1 N (L.) W.D.J. Koch 0920001907
Sesleria caerulea Blue Moor-grass Page 85 A1 153--22--1 N (L.) Ard. 0920001908
Setaria adhaerens Adherent Bristle-grass Stace A2 153--70--adh Ca (Forssk.) Chiov. 0920003295
Setaria dielsii   Clement A3 153--70--die   Herrm. 0920008766
Setaria faberi Nodding Bristle-grass Stace A2 153--70--fab Ca Herrm. 0920003296
Setaria italica Foxtail Bristle-grass Stace A2 153--70--ita Ca (L.) P. Beauv. 0920004438
Setaria parviflora Knotroot Bristle-grass Stace A2 153--70--par Ca (Poir.) Kergu‚len 0920003294
Setaria pumila Yellow Bristle-grass Yes S1, S3 A1 153--70--pum Ne (Poir.) Roem. & Schult. 0920001909
Setaria verticillata Rough Bristle-grass Stace A2 153--70--ver Ca (L.) P. Beauv. 0920001910
Setaria viridis Green Bristle-grass Yes A1 153--70--1 Ne (L.) P. Beauv. 0920001911
Setaria vulpiseta   Clement A3 153--70--vul   (Lam.) Roem. & Schult. 0920008767
Sherardia arvensis Field Madder Page 85 A1 130--3--1 N L. 0920001912
Sibbaldia procumbens Sibbaldia Yes A1 75--10--1 N L. 0920001913
Sibthorpia europaea Cornish Moneywort Yes A1 124--18--1 N L. 0920001914
Sicyos angulatus Bur Cucumber Clement A3 60--SIC--ang   L. 0920008218
Sida cordifolia Flannel Weed Clement A3 53--SID--cor   L. 0920008768
Sida glomerata   Clement A3 53--SID--glo   Cav. 0920008769
Sida rhombifolia Queensland-hemp Stace A2 53--SID--rho Ca L. 0920008219
Sida spinosa Prickly Mallow Stace A2 53--SID--spi Ca L. 0920008220
Sidalcea candida Prairie Mallow Yes S1 A1 53--5--can Ne A. Gray 0920003565
Sidalcea malviflora Greek Mallow Yes A1 53--5--1 Ne (DC.) A. Gray ex Benth. 0920007583
Sideritis hyssopifolia   Clement A3 118--SID--hys   L. 0920008770
Sideritis lanata   Clement A3 118--SID--lan   L. 0920008771
Sideritis montana Mountain Ironwort Clement A3 118--SID--mon   L. 0920005592
Sideritis romana   Clement A3 118--SID--rom   L. 0920005593
Sigesbeckia microcephala Pale Indian-weed Clement A3 135--77--mic   DC. 0920008772
Sigesbeckia orientalis Eastern St Paul's-wort Stace A2 135--77--ori Ca L. 0920005444
Sigesbeckia serrata Western St Paul's-wort Yes A1 135--77--1 Ne DC. 0920005443
Silaum silaus Pepper-saxifrage Page 85 A1 107--22--1 N (L.) Schinz & Thell. 0920001916
Silene acaulis Moss Campion Page 85 A1 46--20--6 N (L.) Jacq. 0920001917
Silene antirrhina Sleepy Catchfly Clement A3 46--20--ant   L. 0920008773
Silene apetala   Clement A3 46--20--ape   Willd. 0920008774
Silene armeria Sweet-William Catchfly Yes A1 46--20--7 Ne L. 0920001920
Silene behen   Clement A3 46--20--beh   L. 0920008775
Silene bellidifolia   Clement A3 46--20--bel   C. Juss. ex Jacq. 0920008776
Silene catholica   Clement A3 46--20--cat   (L.) W.T. Aiton 0920008777
Silene coeli-rosa Rose-of-heaven Stace A2 46--20--coe Ca (L.) Godr. 0920005406
Silene conica Sand Catchfly Yes A1 46--20--12 N L. 0920001921
Silene conoidea   Clement A3 46--20--con   L. 0920001922
Silene cordifolia Heart-leaved Catchfly Clement A3 46--20--cor   All. 0920005657
Silene cretica   Clement A3 46--20--cre   L. 0920008223
Silene cserei   Clement A3 46--20--cse   Baumg. 0920008778
Silene dichotoma Forked Catchfly Clement A3 46--20--dic   Ehrh. 0920001924
Silene dioica Red Campion Page 85 A1 46--20--10 N (L.) Clairv. 0920001259
Silene fabaria   Clement A3 46--20--fab   (L.) Sibth. & Sm. 0920004244
Silene fimbriata Fringed Campion Yes S2 A1 46--20--fim   (Gueldenst. ex M. Bieb.) Sims 0920005412
Silene gallica Small-flowered Catchfly Yes A1 46--20--11 Ar L. 0920001918
Silene holzmannii   Clement A3 46--20--hol   Heldr. ex Boiss. 0920008779
Silene inaperta   Clement A3 46--20--ina   L. 0920008780
Silene integripetala   Clement A3 46--20--int   Bory & Chaub. 0920008781
Silene italica Italian Catchfly Yes A1 46--20--1 Ne (L.) Pers. 0920001925
Silene laeta   Clement A3 46--20--lae   (Aiton) Godr. 0920008782
Silene latifolia White Campion Page 85 A1 46--20--9 Ar Poir. 0920001258
Silene latifolia subsp. alba   Yes A1 46--20--9--a   (Mill.) Greuter & Burdet 0920001258.1
Silene latifolia subsp. latifolia   Clement A3 46--20--9--b     0920001258.2
Silene latifolia x dioica = S. x hampeana   Yes A1 46--20--9 x 10 ? Meusel & K. Werner 0920001260
Silene lydia   Clement A3 46--20--lyd   Boiss. 0920008783
Silene muscipula   Clement A3 46--20--mus   L. 0920001927
Silene noctiflora Night-flowering Catchfly Page 85 A1 46--20--8 Ar L. 0920001261
Silene nocturna Mediterranean Catchfly Clement A3 46--20--noc   L. 0920004259
Silene nutans Nottingham Catchfly Yes A1 46--20--2 N L. 0920001928
Silene otites Spanish Catchfly Yes A1 46--20--3 N (L.) Wibel 0920001929
Silene pendula Nodding Catchfly Stace A2 46--20--pen Ca L. 0920005413
Silene portensis   Clement A3 46--20--por   L. 0920008784
Silene pseudatocion   Clement A3 46--20--pse   Desf. 0920008785
Silene pusilla Alpine Catchfly Clement A3 46--20--pus   Waldst. & Kit. 0920008786
Silene quadrifida Alpine Campion Yes S1 A1 46--20--qua Ne (L.) L. 0920003566
Silene rubella   Clement A3 46--20--rub   L. 0920005694
Silene schafta Caucasian Campion Yes S3 A1 46--20--sch   C.C. Gmel. ex Hohen. 0920005414
Silene sedoides   Clement A3 46--20--sed   Poir. 0920005621
Silene stricta   Clement A3 46--20--str   L. 0920008787
Silene tatarica   Clement A3 46--20--tat   (L.) Pers. 0920008788
Silene tridentata   Clement A3 46--20--tri   Desf. 0920008789
Silene trinervia   Clement A3 46--20--trn   Sebast. & Mauri 0920008790
Silene uniflora Sea Campion Page 85 A1 46--20--5 N Roth 0920001926
Silene vulgaris Bladder Campion Page 85 A1 46--20--4 N (Moench) Garcke 0920004578
Silene vulgaris subsp. angustifolia   Clement A3 46--20--4--c   (Mill.) Hayek 0920008791
Silene vulgaris subsp. commutata   Clement A3 46--20--4--d   (Guss.) Hayek 0920008792
Silene vulgaris subsp. macrocarpa   Yes A1 46--20--4--b   Turrill 0920001919
Silene vulgaris subsp. vulgaris   Yes A1 46--20--4--a     0920001923
Silene vulgaris x uniflora   Yes A1 46--20--4 x 5     0920007584
Silphium perfoliatum Cup-plant Clement A3 135--SIL--per   L. 0920008793
Silybum marianum Milk Thistle Yes A1 135--8--1 Ar (L.) Gaertn. 0920001930
Simethis planifolia Kerry Lily Yes A1 158--4--1 N (L.) Gren. 0920001931
Simsia foetida   Clement A3 135--SIM--foe   (Cav.) Blake 0920008794
Sinacalia tangutica Chinese Ragwort Yes A1 135--67--1 Ne (Maxim.) B. Nord. 0920007585
Sinapis alba White Mustard Page 85 A1 62--35--2 Ar L. 0920001932
Sinapis alba subsp. alba   Stace A2 62--35--2--a     0920001932.1
Sinapis alba subsp. dissecta   Stace A2 62--35--2--b Ne (Lag.) Bonnier 0920001932.2
Sinapis allionii   Clement A3 62--35--all   Jacq. 0920008795
Sinapis arvensis Charlock Page 85 A1 62--35--1 Ar L. 0920001933
Sinapis flexuosa   Clement A3 62--35--fle   Poir. 0920008225
Sison amomum Stone Parsley Page 85 A1 107--30--1 N L. 0920001934
Sisymbrium altissimum Tall Rocket Page 85 A1 62--1--5 Ne L. 0920001935
Sisymbrium austriacum Austrian Rocket Clement A3 62--1--aus   Jacq. 0920004493
Sisymbrium burchellii   Clement A3 62--1--bur   DC. 0920008796
Sisymbrium capense   Clement A3 62--1--cap   Thunb. 0920008797
Sisymbrium erysimoides French Rocket Stace A2 62--1--ery Ca Desf. 0920002642
Sisymbrium irio London-rocket Yes A1 62--1--2 Ne L. 0920001936
Sisymbrium loeselii False London-rocket Yes A1 62--1--3 Ne L. 0920001937
Sisymbrium officinale Hedge Mustard Page 85 A1 62--1--7 Ar (L.) Scop. 0920001938
Sisymbrium orientale Eastern Rocket Page 85 A1 62--1--6 Ne L. 0920001939
Sisymbrium polyceratium   Clement A3 62--1--poc   L. 0920001940
Sisymbrium polymorphum   Clement A3 62--1--pol   (Murray) Roth 0920008798
Sisymbrium runcinatum   Clement A3 62--1--run   Lag. ex DC. 0920002643
Sisymbrium septulatum   Clement A3 62--1--sep   DC. 0920008799
Sisymbrium strictissimum Perennial Rocket Yes A1 62--1--1 Ne L. 0920001941
Sisymbrium thellungii   Clement A3 62--1--the   O.E. Schulz 0920008800
Sisymbrium volgense Russian Mustard Yes A1 62--1--4 Ne M. Bieb. ex E. Fourn. 0920002644
Sisyrinchium bermudiana Blue-eyed-grass Yes A1 159--2--1 N L. 0920001942
Sisyrinchium californicum Yellow-eyed-grass Yes A1 159--2--3 Ne (Ker Gawl.) W.T. Aiton 0920001943
Sisyrinchium laxum Veined Yellow-eyed-grass Yes A1 159--2--4 Ne Otto ex Sims 0920007586
Sisyrinchium montanum American Blue-eyed-grass Yes A1 159--2--2 Ne Greene 0920002651
Sisyrinchium platense   Clement A3 159--2--pla   Johnst. 0920008801
Sisyrinchium striatum Pale Yellow-eyed-grass Yes A1 159--2--5 Ne Sm. 0920007587
Sium latifolium Greater Water-parsnip Yes A1 107--15--1 N L. 0920001944
Skimmia japonica   Clement A3 101A--SKI--jap   Thunb. 0920004052
Smilacina stellata Star-flowered Lily-of-the-valley Clement A3 158--SMI--ste   (L.) Desf. 0920008802
Smilax aspera Common Smilax Clement A3 158--SMX--asp   L. 0920008803
Smilax excelsa Larger Smilax Clement A3 158--SMX--exc   L. 0920004164
Smyrnium olusatrum Alexanders Page 85 A1 107--10--1 Ar L. 0920001945
Smyrnium perfoliatum Perfoliate Alexanders Yes A1 107--10--2 Ne L. 0920004383
Snowdenia polystachya   Clement A3 153--SNO--pol   (Fresen.) Pilg. 0920008804
Solanum acaule   Clement A3 110--8--aca   Bitter 0920008805
Solanum americanum Small-flowered Nightshade Clement A3 110--8--ame   Mill. 0920002538
Solanum capsicoides Cockroach-berry Clement A3 110--8--cap   All. 0920008806
Solanum carolinense Horse-nettle Stace A2 110--8--car Ca L. 0920008228
Solanum chenopodioides Tall Nightshade Yes A1 110--8--2 Ne Lam. 0920002539
Solanum commersonii   Clement A3 110--8--com   Dunal 0920008807
Solanum curtipes   Clement A3 110--8--cur   Bitter 0920008808
Solanum dulcamara Bittersweet Page 85 A1 110--8--6 N L. 0920001947
Solanum eleagnifolium Silvery-leaved Nightshade Clement A3 110--8--ele   Cav. 0920008809
Solanum fontanesianum   Clement A3 110--8--fon   Dunal 0920008810
Solanum jamesii Wild Potato Clement A3 110--8--jam   Torr. 0920008811
Solanum laciniatum Kangaroo-apple Yes A1 110--8--8 Ne Aiton 0920007588
Solanum linnaeanum Apple of Sodom Clement A3 110--8--lin   Hepper & P.-M.L. Jaeger 0920008812
Solanum maritimum   Clement A3 110--8--mar   Meyen ex Nees 0920008813
Solanum melongena Aubergine Clement A3 110--8--mel   L. 0920008814
Solanum nigrum Black Nightshade Page 85 A1 110--8--1 ?N L. 0920001949
Solanum nigrum subsp. nigrum   Yes A1 110--8--1--a     0920001949.1
Solanum nigrum subsp. schultesii   Yes A1 110--8--1--b Ne (Opiz) Wessely 0920001949.2
Solanum nigrum x physalifolium = S. x procurrens   Yes A1 110--8--1 x 3   A.C. Leslie 0920002544
Solanum physalifolium Green Nightshade Yes A1 110--8--3 Ne Rusby 0920002540
Solanum pseudocapsicum Winter-cherries Clement A3 110--8--pse   L. 0920008815
Solanum pyracanthum   Clement A3 110--8--pyr   Cav. 0920008816
Solanum rostratum Buffalo-bur Stace A2 110--8--ros Ca Dunal 0920007925
Solanum sarachoides Leafy-fruited Nightshade Yes A1 110--8--4 Ne Sendtn. 0920001946
Solanum scabrum Garden Huckleberry Yes S1 A1 110--8--sca Ne Mill. 0920002542
Solanum sisymbriifolium Red Buffalo-bur Stace A2 110--8--sis Ca Lam. 0920004473
Solanum torvum Devil's-fig Clement A3 110--8--tor   Sw. 0920008817
Solanum triflorum Small Nightshade Yes A1 110--8--5 Ne Nutt. 0920001950
Solanum tuberosum Potato Yes A1 110--8--7 Ne L. 0920004360
Solanum vernei Purple Potato ClementYes S1?? A3 110--8--ver Ne Bitter & Wittm. 0920003573
Solanum villosum Red Nightshade Yes A1 110--8--vil Ca Mill. 0920001948
Solanum villosum subsp. miniatum   Stace A2 110--8--vil--b Ca (Bernh. ex Willd.) Edmonds 0920001948.2
Solanum villosum subsp. villosum   Stace A2 110--8--vil--a Ca   0920001948.1
Soleirolia soleirolii Mind-your-own-business Page 85 A1 36--3--1 Ne (Req.) Dandy 0920000965
Solidago calcicola   Clement A3 135--40--cal   (Fernald) Fernald 0920008818
Solidago canadensis Canadian Goldenrod Page 85 A1 135--40--3 Ne L. 0920002251
Solidago flexicaulis Zig-zag Goldenrod Clement A3 135--40--fle   L. 0920008819
Solidago gigantea Early Goldenrod Page 87 A1 135--40--4 Ne Aiton 0920002434
Solidago gigantea subsp. serotina   Yes A1 135--40--4--a   (O. Kuntze) McNeill 0920002434
Solidago graminifolia Grass-leaved Goldenrod Yes A1 135--40--5 Ne (L.) Salisb. 0920004340
Solidago nemoralis Grey Goldenrod Clement A3 135--40--nem   Aiton 0920008820
Solidago odora Anise-scented Goldenrod Clement A3 135--40--odo   Aiton 0920008821
Solidago rugosa Rough-stemmed Goldenrod Yes A1 135--40--2 Ne Mill. 0920004341
Solidago sempervirens Salt-marsh Goldenrod Clement A3 135--40--sem   L. 0920008822
Solidago speciosa Showy Goldenrod Clement A3 135--40--spe   Nutt. 0920008823
Solidago tortifolia Twisted-leaf Goldenrod Clement A3 135--40--tor   Elliott 0920008824
Solidago virgaurea Goldenrod Page 87 A1 135--40--1 N L. 0920001951
Solidago virgaurea x canadensis = S. x niederederi   Yes A1 135--40--1 x 3   Khek 0920007589
Soliva anthemifolia Button Onehunga-weed Clement A3 135--SOL--ant   (Juss.) Sweet 0920008231
Soliva macrocephala   Clement A3 135--SOL--mac   Cabrera 0920008825
Soliva pterosperma   Clement A3 135--SOL--pte   (Juss.) Less. 0920003794
Soliva sessilis Onehunga-weed Clement A3 135--SOL--ses   Ruiz & Pav. 0920008826
Soliva stolonifera Carpet Burweed Clement A3 135--SOL--sto   (Brot.) R. Br. ex G. Don 0920008827
Sonchus arvensis Perennial Sow-thistle Page 87 A1 135--21--2 N L. 0920001952
Sonchus asper Prickly Sow-thistle Page 87 A1 135--21--4 N (L.) Hill 0920001953
Sonchus maritimus   Clement A3 135--21--mar   L. 0920008828
Sonchus oleraceus Smooth Sow-thistle Page 87 A1 135--21--3 N L. 0920001954
Sonchus oleraceus x asper   Yes A1 135--21--3 x 4     0920002838
Sonchus palustris Marsh Sow-thistle Yes A1 135--21--1 N L. 0920001955
Sonchus tenerrimus Slender Sow-thistle Clement A3 135--21--ten   L. 0920008829
Sorbaria grandiflora   Clement A3 75--1--gra   (Sweet) Maxim. 0920008232
Sorbaria kirilowii Chinese Sorbaria Yes A1 75--1--3 Ne (Regel) Maxim. 0920007590
Sorbaria sorbifolia Sorbaria Yes A1 75--1--1 Ne (L.) A. Braun 0920007591
Sorbaria tomentosa Himalayan Sorbaria Yes A1 75--1--2 Ne (Lindl.) Rehder 0920007592
Sorbus anglica English Whitebeam Yes A1 75--28--8 N Hedl. 0920001956
Sorbus aria Common Whitebeam Page 87 A1 75--28--9 N (L.) Crantz 0920001958
Sorbus aria agg.   Aggregate AK 75--28---      
Sorbus aria x rupicola   Yes A1 75--28--9 x 16     0920007593
Sorbus aria x torminalis = S. x tomentella   Yes S3 A1 75--28--9 x 24 N Gand. 0920001978
Sorbus arranensis Arran Whitebeam Yes A1 75--28--4 N Hedl. 0920001959
Sorbus aucuparia Rowan Page 87 A1 75--28--1 N L. 0920001960
Sorbus aucuparia x aria = S. x thuringiaca   Yes A1 75--28--1 x 9 N (Ilse) Fritsch 0920001975
Sorbus aucuparia x intermedia   Yes A1 75--28--1 x 7     0920007594
Sorbus bristoliensis Bristol Whitebeam Yes A1 75--28--22 N Wilmott 0920001961
Sorbus croceocarpa Orange Whitebeam Yes A1 75--28--21 Ne P.D. Sell 0920002626
Sorbus decipiens Sharp-toothed Whitebeam Yes A1 75--28--18 Ne (Bechst.) Irmisch 0920002627
Sorbus devoniensis Devon Whitebeam Yes A1 75--28--20 N E.F. Warb. 0920001962
Sorbus domestica Service-tree Yes S1 A1 75--28--dom N L. 0920001963
Sorbus eminens Round-leaved Whitebeam Yes A1 75--28--12 N E.F. Warb. 0920001964
Sorbus hibernica Irish Whitebeam Yes A1 75--28--13 N E.F. Warb. 0920001965
Sorbus hupehensis Hupeh Rowan Clement A3 75--28--hup   C.K. Schneid. 0920008233
Sorbus hybrida Swedish Service-tree Yes A1 75--28--3 Ne L. 0920007595
Sorbus intermedia Swedish Whitebeam Yes A1 75--28--7 Ne (Ehrh.) Pers. 0920001966
Sorbus intermedia agg.   Aggregate AK 75--28---      
Sorbus lancastriensis Lancastrian Whitebeam Yes A1 75--28--15 N E.F. Warb. 0920001967
Sorbus latifolia Broad-leaved Whitebeam Yes A1 75--28--23 Ne (Lam.) Pers. 0920002628
Sorbus latifolia agg.   Aggregate AK 75--28---      
Sorbus leptophylla Thin-leaved Whitebeam Yes A1 75--28--10 N E.F. Warb. 0920001969
Sorbus leyana Ley's Whitebeam Yes A1 75--28--5 N Wilmott 0920001970
Sorbus minima Least Whitebeam Yes A1 75--28--6 N (Ley) Hedl. 0920001971
Sorbus porrigentiformis Grey-leaved Whitebeam Yes A1 75--28--14 N E.F. Warb. 0920001972
Sorbus porrigentiformis x torminalis   Yes A1 75--28--14 x 24     0920007596
Sorbus pseudofennica Arran Service-tree Yes A1 75--28--2 N E.F. Warb. 0920001973
Sorbus pseudomeinichii False Rowan Yes S3 A1 75--28--pse N Ashley Robertson  
Sorbus rupicola Rock Whitebeam Yes A1 75--28--16 N (Syme) Hedl. 0920001974
Sorbus sargentiana Sargent's Rowan Clement A3 75--28--sar   Koehne 0920008830
Sorbus subcuneata Somerset Whitebeam Yes A1 75--28--19 N Wilmott 0920001976
Sorbus torminalis Wild Service-tree Page 87 A1 75--28--24 N (L.) Crantz 0920001977
Sorbus vexans Bloody Whitebeam Yes A1 75--28--17 N E.F. Warb. 0920001979
Sorbus vilmorinii Vilmorin's Rowan Clement A3 75--28--vil   C.K. Schneid. 0920008831
Sorbus whiteana White's Whitebeam Yes S3 A1 75--28--whi N T.C.G. Rich & L. Houston  
Sorbus wilmottiana Wilmott's Whitebeam Yes A1 75--28--11 N E.F. Warb. 0920002272
Sorghum arundinaceum   Clement A3 153--72--aru   (Desv.) Stapf 0920008832
Sorghum bicolor Great Millet Stace A2 153--72--bic Ca (L.) Moench 0920003299
Sorghum halepense Johnson-grass Yes A1 153--72--1 Ne (L.) Pers. 0920007598
Sparaxis grandiflora Plain Harlequinflower Yes A1 159--11--1 Ne (D. Delaroche) Ker Gawl. 0920007599
Sparganium angustifolium Floating Bur-reed Page 87 A1 154--1--3 N Michx. 0920001980
Sparganium emersum Unbranched Bur-reed Page 87 A1 154--1--2 N Rehmann 0920001983
Sparganium emersum x angustifolium = S. x diversifolium   Yes A1 154--1--2 x 3   Graebn. 0920002879
Sparganium erectum Branched Bur-reed Page 87 A1 154--1--1 N L. 0920001981
Sparganium erectum subsp. erectum   Yes A1 154--1--1--a     0920001981.1
Sparganium erectum subsp. microcarpum   Yes A1 154--1--1--b   (Neuman) Domin 0920001981.3
Sparganium erectum subsp. neglectum   Yes A1 154--1--1--c   (Beeby) K. Richt. 0920001981.2
Sparganium erectum subsp. oocarpum   Yes A1 154--1--1--d   (Celak.) Domin 0920001981.4
Sparganium natans Least Bur-reed Yes A1 154--1--4 N L. 0920001982
Spartina alterniflora Smooth Cord-grass Yes A1 153--67--3 Ne Loisel. 0920001984
Spartina anglica Common Cord-grass Page 87 A1 153--67--2 N C.E. Hubb. 0920002278
Spartina maritima Small Cord-grass Yes A1 153--67--1 N (Curtis) Fernald 0920001985
Spartina maritima x alterniflora = S. x townsendii Townsend's Cord-grass Yes A1 153--67--1 x 3 ? H. Groves & J. Groves 0920001986
Spartina patens Saltmeadow Cord-grass Yes S3 A1 153--67--pat Ne (Aiton) Muhl.  
Spartina pectinata Prairie Cord-grass Yes A1 153--67--4 Ne Bosc ex Link 0920007600
Spartium junceum Spanish Broom Page 87 A1 77--24--1 Ne L. 0920004410
Spergula arvensis Corn Spurrey Page 87 A1 46--16--1 N L. 0920001987
Spergula morisonii Pearlwort Spurrey Yes A1 46--16--2 Ne Boreau 0920001988
Spergularia bocconei Greek Sea-spurrey Yes A1 46--17--5 Ne (Scheele) Graebn. 0920001989
Spergularia diandra Lesser Clement A3 46--17--dia   (Guss.) Boiss. 0920008833
Spergularia marina Lesser Sea-spurrey Page 87 A1 46--17--3 N (L.) Griseb. 0920001990
Spergularia media Greater Sea-spurrey Page 87 A1 46--17--2 N (L.) C. Presl 0920001991
Spergularia nicaeensis   Clement A3 46--17--nic   Sarato ex Burnat 0920008834
Spergularia purpurea   Clement A3 46--17--pur   (Pers.) G. Don 0920008835
Spergularia rubra Sand Spurrey Page 87 A1 46--17--4 N (L.) J. Presl & C. Presl 0920001992
Spergularia rupicola Rock Sea-spurrey Page 87 A1 46--17--1 N Lebel ex Le Jol. 0920001993
Spergularia rupicola x marina   Yes A1 46--17--1 x 3     0920002696
Spermolepis divaricatus   Clement A3 107--SPE--div   (Walter) Britton 0920008836
Spermolepis echinatus   Clement A3 107--SPE--ech   (Nutt.) F. Heller 0920008837
Sphenopus divaricatus   Clement A3 153--SPH--div   (Gouan) Rchb. 0920008838
Spilanthes decumbens   Clement A3 135--SPI--dec   (Sm.) A.H. Moore 0920008839
Spinacia oleracea Spinach Stace A2 43--SPI--ole Ca L. 0920008235
Spiraea alba Pale Bridewort Yes A1 75--3--2 Ne Du Roi 0920002657
Spiraea alba x douglasii = S. x billardii Billard's Bridewort Yes A1 75--3--2 x 3 Ne H‚rincq 0920002661
Spiraea canescens Himalayan Spiraea Yes A1 75--3--6 Ne D. Don 0920007601
Spiraea cantoniensis x trilobata = S. x vanhouttei Van Houtte's Spiraea Yes S2 A1 75--3--can x tri Ne (Briot) CarriŠre 0920007602
Spiraea chamaedryfolia Elm-leaved Spiraea Yes A1 75--3--7 Ne L. 0920007125
Spiraea chamaedryfolia subsp. ulmifolia   Yes A1 75--3--7--a   (Scop.) J. Duvign. 0920007125
Spiraea douglasii Steeple-bush Yes A1 75--3--3 Ne Hook. 0920002658
Spiraea douglasii subsp. douglasii   Yes A1 75--3--3--a Ne   0920002658.1
Spiraea douglasii subsp. menziesii   Yes A1 75--3--3--b Ne (Hook.) Calder & Roy L. Taylor 0920002658.2
Spiraea douglasii x canescens = S. x brachybotrys Lange's Spiraea Yes A1 75--3--3 x 6 Ne Lange 0920002663
Spiraea hypericifolia   Clement A3 75--3--hyp   L. 0920008840
Spiraea japonica Japanese Spiraea Yes A1 75--3--5 Ne L. f. 0920004315
Spiraea media Russian Spiraea Yes A1 75--3--med Ne Schmidt 0920008236
Spiraea multiflora x thunbergii = S. x arguta Bridal-spray Yes S1 A1 75--3--mul x thu Ne Zabel 0920007897
Spiraea salicifolia Bridewort Yes A1 75--3--1 Ne L. 0920002659
Spiraea salicifolia agg.   Aggregate AK 75--3---      
Spiraea salicifolia x alba = S. x rosalba Intermediate Bridewort Yes A1 75--3--1 x 2 Ne Dippel 0920002662
Spiraea salicifolia x douglasii = S. x pseudosalicifolia Confused Bridewort Yes A1 75--3--1 x 3 Ne Silverside 0920002664
Spiraea tomentosa Hardhack Yes A1 75--3--4 Ne L. 0920002660
Spiraea trilobata   Clement A3 75--3--tri   L. 0920008841
Spiranthes aestivalis Summer Lady's-tresses Yes A1 162--7--2 N (Poir.) Rich. 0920001995
Spiranthes romanzoffiana Irish Lady's-tresses Yes A1 162--7--3 N Cham. 0920001996
Spiranthes spiralis Autumn Lady's-tresses Page 87 A1 162--7--1 N Cham. 0920001997
Spirodela polyrhiza Greater Duckweed Page 87 A1 148--1--1 N (L.) Schleid. 0920001127
Sporobolus africanus African Dropseed Stace A2 153--SPO--afr Ca (Poir.) A. Robyns & Tournay 0920003233
Sporobolus asper   Clement A3 153--SPO--asp   (Michx.) Kunth 0920008842
Sporobolus caroli   Clement A3 153--SPO--car   Mez 0920008843
Sporobolus creber   Clement A3 153--SPO--cre   De Nardi 0920008844
Sporobolus cryptandrus   Clement A3 153--SPO--cry   (Torr.) A. Gray 0920008845
Sporobolus elongatus   Clement A3 153--SPO--elo   R. Br. 0920008846
Sporobolus engleri   Clement A3 153--SPO--eng   Pilg. 0920008847
Sporobolus fimbriatus   Clement A3 153--SPO--fim   (Trin.) Nees 0920008848
Sporobolus indicus   Clement A3 153--SPO--ind   (L.) R. Br. 0920008849
Sporobolus ioclados   Clement A3 153--SPO--ioc   (Nees ex Trin.) Nees 0920008850
Sporobolus mitchellii   Clement A3 153--SPO--mit   (Trin.) C.E. Hubb. ex S.T. Blake 0920008851
Sporobolus pyramidatus   Clement A3 153--SPO--pyr   (Lam.) Hitchc. 0920008852
Stachys alpina Limestone Woundwort Yes A1 118--1--4 Ne L. 0920001998
Stachys annua Annual Yellow-woundwort Stace A2 118--1--ann Ca (L.) L. 0920002000
Stachys arvensis Field Woundwort Page 89 A1 118--1--8 Ar (L.) L. 0920002001
Stachys byzantina Lamb's-ear Yes A1 118--1--2 Ne K. Koch 0920002258
Stachys coccinea   Clement A3 118--1--coc   Ortega 0920008853
Stachys cretica   Clement A3 118--1--cre   L. 0920008854
Stachys germanica Downy Woundwort Yes A1 118--1--3 N L. 0920002002
Stachys heraclea   Clement A3 118--1--her   All. 0920008855
Stachys macrantha   Clement A3 118--1--mac   (K. Koch) Stearn 0920004132
Stachys ocymastrum   Clement A3 118--1--ocy   (L.) Briq. 0920008856
Stachys officinalis Betony Page 89 A1 118--1--1 N (L.) Trevis. 0920000237
Stachys palustris Marsh Woundwort Page 89 A1 118--1--6 N L. 0920002003
Stachys recta Perennial Yellow-woundwort Yes A1 118--1--7 Ne L. 0920002004
Stachys sylvatica Hedge Woundwort Page 89 A1 118--1--5 N L. 0920002005
Stachys sylvatica x palustris = S. x ambigua Hybrid Woundwort Yes A1 118--1--5 x 6 N Sm. 0920001999
Staphylea colchica Caucasian Bladdernut Clement A3 96--1--col   Steven 0920004165
Staphylea pinnata Bladdernut Yes A1 96--1--1 Ne L. 0920002006
Steinchisma hians   Clement A3 153--STE--hia   (Elliot) Nash 0920008857
Stellaria alsine Bog Stitchwort Yes S3 A1 46--5--8 N Grimm 0920002007
Stellaria graminea Lesser Stitchwort Page 89 A1 46--5--7 N L. 0920002009
Stellaria holostea Greater Stitchwort Page 89 A1 46--5--5 N L. 0920002010
Stellaria media Common Chickweed Page 89 A1 46--5--2 N (L.) Vill. 0920002012
Stellaria neglecta Greater Chickweed Yes A1 46--5--4 N Weihe 0920002013
Stellaria nemorum Wood Stitchwort Page 89 A1 46--5--1 N L. 0920002014
Stellaria nemorum subsp. montana   Yes A1 46--5--1--b N (Pierrat) Berher 0920002014.1
Stellaria nemorum subsp. nemorum   Yes A1 46--5--1--a     0920002014.2
Stellaria pallida Lesser Chickweed Page 89 A1 46--5--3 N (Dumort.) Cr‚p. 0920002008
Stellaria palustris Marsh Stitchwort Yes A1 46--5--6 N Ehrh. ex Hoffm. 0920002015
Stephanandra incisa Lace-shrub Clement A3 75--STE--inc   (Thunb.) Zabel 0920008237
Sternbergia lutea Winter Daffodil Yes A1 158--30--1 Ne (L.) Ker Gawl. ex Spreng. 0920002016
Stevia paniculata   Clement A3 135--STE--pan   Lag. 0920008858
Stipa ambigua   Clement A3 153--9--amb   Speg. 0920008859
Stipa aristiglumis   Clement A3 153--9--ari   F. Muell. 0920008238
Stipa blackii   Clement A3 153--9--bla   C.E. Hubb. 0920008860
Stipa capensis Mediterranean Needle-grass Stace A2 153--9--cap Ca Thunb. 0920008239
Stipa caudata   Clement A3 153--9--cau   Trin. 0920008864
Stipa dregeana   Clement A3 153--9--dre   Steud. 0920008866
Stipa neesiana American Needle-grass Yes A1 153--9--1 Ne Trin. & Rupr. 0920007603
Stipa nitida   Clement A3 153--9--nit   Summerh. & C.E. Hubb. 0920008870
Stipa papposa   Clement A3 153--9--pap   Nees 0920008872
Stipa scabra   Clement A3 153--9--sca   Lindl. 0920008875
Stipa scabra subsp. falcata   Clement A3 153--9--sca--b   (Hughes) Vickery, S.W.L. Jacobs & Everett 0920008875.1
Stipa scabra subsp. scabra   Clement A3 153--9--sca--a     0920008875.2
Stipa variabilis   Clement A3 153--9--var   Hughes 0920008880
Stipa verticillata   Clement A3 153--9--ver   Nees ex Spreng. 0920008881
Stratiotes aloides Water-soldier Yes A1 138--2--1 ?N L. 0920002017
Stuartina hamata Hooked Cudweed Clement A3 135--STU--ham   Philipson 0920008882
Stuartina muelleri Spoon-leaved Cudweed Clement A3 135--STU--mue   Sond. 0920008883
Suaeda altissima   Clement A3 43--7--alt   (L.) Pall. 0920008884
Suaeda maritima Annual Sea-blite Page 89 A1 43--7--2 N (L.) Dumort. 0920002019
Suaeda vera Shrubby Sea-blite Yes A1 43--7--1 N Forssk. ex J.F. Gmel. 0920002018
Subularia aquatica Awlwort Yes A1 62--32--1 N L. 0920002020
Succisa pratensis Devil's-bit Scabious Page 89 A1 134--4--1 N Moench 0920002021
Succisella inflexa   Clement A3 134--SUC--inf   (Kluk) Beck 0920008885
Succowia balearica   Clement A3 62--SUC--bal   (L.) Medik. 0920008886
Symphoricarpos albus Snowberry Page 89 A1 131--3--1 Ne (L.) S.F. Blake 0920002022
Symphoricarpos microphyllus   Clement A3 131--3--mic   Kunth 0920008887
Symphoricarpos microphyllus x orbiculatus = S. x chenaultii Hybrid Coralberry Yes A1 131--3--orb x mic Ne Rehder 0920007604
Symphoricarpos orbiculatus Coralberry Yes S1 A1 131--3--orb Ne Moench 0920003575
Symphyandra hofmannii   Clement A3 129--SYM--hof   Pant. 0920008888
Symphytum asperum Rough Comfrey Yes A1 116--4--2 Ne Lepech. 0920002023
Symphytum asperum x caucasicum   Yes S3 A1 116--4--2 x 7      
Symphytum brachycalyx   Clement A3 116--4--bra   Boiss. 0920008889
Symphytum bulbosum Bulbous Comfrey Yes A1 116--4--8 Ne K.F. Schimper 0920007606
Symphytum caucasicum Caucasian Comfrey Yes A1 116--4--7 Ne M. Bieb. 0920007607
Symphytum grandiflorum Creeping Comfrey Yes A1 116--4--4 Ne DC. 0920004397
Symphytum officinale Common Comfrey Page 89 A1 116--4--1 N L. 0920002024
Symphytum officinale subsp. bohemicum   Yes S2 A1 116--4--1--b   (F.W. Schmidt) Pers.  
Symphytum officinale subsp. officinale   Yes S2 A1 116--4--1--a      
Symphytum officinale subsp. uliginosum   Clement A3 116--4--1--c   (A. Kern.) Nyman 0920002024.3
Symphytum officinale x asperum = S. x uplandicum Russian Comfrey Page 89 A1 116--4--1 x 2 Ne Nyman 0920002025
Symphytum officinale x asperum x grandiflorum = S. 'Hidcote Blue' Hidcote Comfrey Yes A1 116--4---   hort. ex G. Thomas 0920007605
Symphytum officinale x asperum x tuberosum   Yes A1 116--4--1 x 2 x 3     0920002807
Symphytum orientale White Comfrey Page 89 A1 116--4--6 Ne L. 0920002026
Symphytum tauricum Crimean Comfrey Yes A1 116--4--5 Ne Willd. 0920007608
Symphytum tuberosum Tuberous Comfrey Page 89 A1 116--4--3 N L. 0920002028
Symphytum tuberosum subsp. nodosum   Clement A3 116--4--3--b   (Schur) So¢ 0920002028.1
Symphytum tuberosum subsp. tuberosum   Other AT 116--4--3--a      
Syrenia cana   Clement A3 62--SYR--can   (Piller & Mitterp.) Simonk. 0920008892
Syringa vulgaris Lilac Yes A1 123--3--1 Ne L. 0920002029
Syringa x persica Persian Lilac Clement A3 123--3--per   L. 0920008893

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