| Accepted Latin Names | Common Name | In Kent? | Type | Kent ref. | Status | Authority | Record No. |
|---|---|---|---|---|---|---|---|
| Ecballium elaterium | Squirting Cucumber | Yes | A1 | 60--2--1 | Ne | (L.) A. Rich. | 0920005428 |
| Eccremocarpus scaber | Chilean Glory-flower | Clement | A3 | 127B--ECC--sca | (D. Don) Ruiz & Pav. | 0920004146 | |
| Echeveria derenbergii | Painted-lady | Clement | A3 | 73--ECH--der | J.A. Purpus | 0920006421 | |
| Echinaria capitata | Clement | A3 | 153--ECH--cap | (L.) Desf. | 0920006422 | ||
| Echinochloa colona | Shama Millet | Stace | A2 | 153--68--col | Ca | (L.) Link | 0920003262 |
| Echinochloa crus-galli | Cockspur | Yes | A1 | 153--68--1 | Ne | (L.) P. Beauv. | 0920000668 |
| Echinochloa crus-pavonis | Clement | A3 | 153--68--cru | (Kunth) Schult. | 0920006423 | ||
| Echinochloa esculenta | White Millet | Stace | A2 | 153--68--esc | Ca | (A. Braun) H. Scholz | 0920003261 |
| Echinochloa frumentacea | White Millet | Stace | A2 | 153--68--fru | Ca | Link | 0920003277 |
| Echinochloa muricata | Clement | A3 | 153--68--mur | (Michx.) Fernald | 0920006424 | ||
| Echinochloa oryzoides | Clement | A3 | 153--68--ory | (Ard.) Fritsch | 0920006425 | ||
| Echinochloa pungens | Clement | A3 | 153--68--pun | (Poir.) Rydb. | 0920006426 | ||
| Echinochloa pyramidalis | Clement | A3 | 153--68--pyr | (Lam.) Hitchc. & Chase | 0920006427 | ||
| Echinochloa turneriana | Clement | A3 | 153--68--tur | (Domin.) J.M. Black | 0920006428 | ||
| Echinophora spinosa | Clement | A3 | 107--ECH--spi | L. | 0920006429 | ||
| Echinopogon ovatus | Hedgehog-grass | Clement | A3 | 153--ECP--ova | (G. Forst.) P. Beauv. | 0920006430 | |
| Echinops bannaticus | Blue Globe-thistle | Yes | A1 | 135--1--3 | Ne | Rochel ex Schrad. | 0920007283 |
| Echinops exaltatus | Globe-thistle | Yes | A1 | 135--1--2 | Ne | Schrad. | 0920007284 |
| Echinops humilis | Clement | A3 | 135--1--hum | M. Bieb. | 0920006431 | ||
| Echinops sphaerocephalus | Glandular Globe-thistle | Yes | A1 | 135--1--1 | Ne | L. | 0920004375 |
| Echinops strigosus | Rough-leaved Globe-thistle | Clement | A3 | 135--1--str | L. | 0920006432 | |
| Echium arenarium | Clement | A3 | 116--2--are | Guss. | 0920006433 | ||
| Echium italicum | Pale Bugloss | Clement | A3 | 116--2--ita | L. | 0920005628 | |
| Echium lusitanicum | Clement | A3 | 116--2--lus | L. | 0920005607 | ||
| Echium parviflorum | Clement | A3 | 116--2--par | Moench | 0920004037 | ||
| Echium pininana | Giant Viper's-bugloss | Yes | A1 | 116--2--4 | Ne | Webb & Berthel. | 0920007285 |
| Echium pininana x webbii = E. x scilloniensis | Clement | A3 | 116--2--1 x web | hort., nom. nud. | 0920004212 | ||
| Echium plantagineum | Purple Viper's-bugloss | Yes | A1 | 116--2--2 | Ar | L. | 0920000669 |
| Echium rosulatum | Lax Viper's-bugloss | Clement | A3 | 116--2--ros | Ne | Lange | 0920007286 |
| Echium tuberculatum | Clement | A3 | 116--2--tub | Hoffmanns. & Link | 0920006434 | ||
| Echium vulgare | Viper's-bugloss | Page 29 | A1 | 116--2--1 | N | L. | 0920000670 |
| Eclipta prostrata | Clement | A3 | 135--ECL--pro | (L.) L. | 0920006435 | ||
| Egeria densa | Large-flowered Waterweed | Yes | A1 | 138--3--1 | Ne | Planch. | 0920002551 |
| Ehrharta calycina | Clement | A3 | 153--EHR--cal | Sm. | 0920006436 | ||
| Ehrharta erecta | Clement | A3 | 153--EHR--ere | Lam. | 0920005684 | ||
| Ehrharta longiflora | Clement | A3 | 153--EHR--lof | Sm. | 0920006437 | ||
| Ehrharta longifolia | Clement | A3 | 153--EHR--lol | Schrad. | 0920004189 | ||
| Ehrharta stipoides | Weeping-grass | Stace | A2 | 153--EHR--sti | Ca | Labill. | 0920008055 |
| Eichhornia crassipes | Water-hyacinth | Clement | A3 | 157--EIC--cra | (Mart.) Solms | 0920004147 | |
| Einadia polygonoides | Knotted Goosefoot | Clement | A3 | 43--EIN--pol | (Murr) Paul G. Wilson | 0920006438 | |
| Einadia trigonos | Clement | A3 | 43--EIN--tri | (Schult.) Paul G. Wilson | 0920006439 | ||
| Einadia trigonos subsp. stellulata | Clement | A3 | 43--EIN--tri--b | (Benth.) Paul G. Wilson | 0920006439.1 | ||
| Einadia trigonos subsp. trigonos | Fishweed | Clement | A3 | 43--EIN--tri--a | 0920006439.2 | ||
| Elaeagnus commutata | Silver-berry | Yes S2 | A1 | 78--2--com | Bernh. | 0920006442 | |
| Elaeagnus glabra | Clement | A3 | 78--2--gla | Thunb. | 0920005550 | ||
| Elaeagnus macrophylla | Broad-leaved Oleaster | Yes S1 | A1 | 78--2--mac | Ne | Thunb. | 0920003428 |
| Elaeagnus macrophylla x pungens = E. x submacrophylla | Ebbinge's Oleaster | Yes S2, S3 | A1 | 78--2--mac x pun | Servett. | ||
| Elaeagnus multiflora | Cherry Elaeagnus | Clement | A3 | 78--2--mul | Thunb. | 0920006443 | |
| Elaeagnus pungens | Spiny Oleaster | Yes S2 | A1 | 78--2--pun | Thunb. | 0920004072 | |
| Elaeagnus umbellata | Spreading Oleaster | Yes | A1 | 78--2--1 | Ne | Thunb. | 0920007287 |
| Elatine hexandra | Six-stamened Waterwort | Yes | A1 | 50--1--1 | N | (Lapierre) DC. | 0920000671 |
| Elatine hydropiper | Eight-stamened Waterwort | Yes | A1 | 50--1--2 | N | L. | 0920000672 |
| Eleocharis acicularis | Needle Spike-rush | Yes | A1 | 152--3--6 | N | (L.) Roem. & Schult. | 0920000673 |
| Eleocharis mamillata | Northern Spike-rush | Yes S3 | A1 | 152--3--2 | N | (H. Lindb.) H. Lindb. | 0920002267 |
| Eleocharis mamillata subsp. austriaca | Yes S3 | A1 | 152--3--2--a | N | (Hayek) Strandh. | ||
| Eleocharis multicaulis | Many-stalked Spike-rush | Page 29 | A1 | 152--3--4 | N | (Sm.) Desv. | 0920000674 |
| Eleocharis nodulosa | Clement | A3 | 152--3--nod | (Roth) Schult. | 0920006444 | ||
| Eleocharis palustris | Common Spike-rush | Page 29 | A1 | 152--3--1 | N | (L.) Roem. & Schult. | 0920000675 |
| Eleocharis palustris subsp. palustris | Yes | A1 | 152--3--1--b | N | 0920000675.1 | ||
| Eleocharis palustris subsp. vulgaris | Yes | A1 | 152--3--1--a | Walters | 0920000675.2 | ||
| Eleocharis palustris x uniglumis | Yes | A1 | 152--3--1 x 3 | 0920007288 | |||
| Eleocharis parvula | Dwarf Spike-rush | Yes | A1 | 152--3--7 | N | (Roem. & Schult.) Link ex Bluff, Nees & Schauer | 0920000676 |
| Eleocharis quinqueflora | Few-flowered Spike-rush | Yes | A1 | 152--3--5 | N | (Hartmann) O. Schwarz | 0920000677 |
| Eleocharis uniglumis | Slender Spike-rush | Yes | A1 | 152--3--3 | N | (Link) Schult. | 0920000678 |
| Eleogiton fluitans | Floating Club-rush | Page 29 | A1 | 152--9--1 | N | (L.) Link | 0920000679 |
| Eleusine coracana | Finger Millet | Clement | A3 | 153--ELE--cor | (L.) Gaertn. | 0920006445 | |
| Eleusine floccifolia | Clement | A3 | 153--ELE--flo | (Forssk.) Spreng. | 0920006446 | ||
| Eleusine indica | Yard-grass | Stace | A2 | 153--ELE--ind | Ca | (L.) Gaertn. | 0920003209 |
| Eleusine indica subsp. africana | Stace | A2 | 153--ELE--ind--b | Ca | (Kenn.-O'Byrne) S.M. Phillips | 0920003209.1 | |
| Eleusine indica subsp. indica | Stace | A2 | 153--ELE--ind--a | Ca | 0920003209.2 | ||
| Eleusine multiflora | Fat-spiked Yard-grass | Stace | A2 | 153--ELE--mul | Ca | Hochst. ex A. Rich. | 0920003228 |
| Eleusine tristachya | American Yard-grass | Stace | A2 | 153--ELE--tri | Ca | (Lam.) Lam. | 0920003226 |
| Eleutherococcus henryi | Clement | A3 | 106--ELE--hen | Oliv. | 0920006447 | ||
| Elodea callitrichoides | South American Waterweed | Yes | A1 | 138--4--3 | Ne | (Rich.) Casp. | 0920000680 |
| Elodea canadensis | Canadian Waterweed | Page 29 | A1 | 138--4--1 | Ne | Michx. | 0920000681 |
| Elodea nuttallii | Nuttall's Waterweed | Page 29 | A1 | 138--4--2 | Ne | (Planch.) H. St. John | 0920000997 |
| Elsholtzia ciliata | Clement | A3 | 118--ELS--cil | (Thunb.) Hyl. | 0920006448 | ||
| Elymus antarcticus | Clement | A3 | 153--55--ant | Hook. f. | 0920006449 | ||
| Elymus canadensis | Clement | A3 | 153--55--can | L. | 0920006450 | ||
| Elymus caninus | Bearded Couch | Page 29 | A1 | 153--55--1 | N | (L.) L. | 0920007006 |
| Elymus nutans | Clement | A3 | 153--55--nut | Griseb. | 0920006451 | ||
| Elymus scabrus | Australian Couch | Stace | A2 | 153--55--sca | Ca | (Labill.) µ. L”ve | 0920003112 |
| Elymus sibiricus | Clement | A3 | 153--55--sib | L. | 0920006452 | ||
| Elymus subsecundus | Clement | A3 | 153--55--sub | (Link) µ. L”ve & D. L”ve | 0920006453 | ||
| Elymus trachycaulus | Clement | A3 | 153--55--tra | (Link) Gould ex Shinners | 0920006454 | ||
| Elymus virginicus | Clement | A3 | 153--55--vir | L. | 0920006455 | ||
| Elytrigia atherica | Sea Couch | Page 29 | A1 | 153--56--2 | N | (Link) Kergu‚len | 0920000032 |
| Elytrigia atherica x juncea = E. x acuta | Yes S3 | A1 | 153--56--2 x 3 | N | (DC.) Tzvelev | 0920000029 | |
| Elytrigia campestris | Neglected Couch | Yes S2 | A1 | 153--56--cam | N | (Godr. & Gren.) Kergu‚len | |
| Elytrigia campestris subsp. maritima | Yes S2 | A1 | 153--56--cam--a | (Tzvelev) H. Scholz | |||
| Elytrigia juncea | Sand Couch | Page 29 | A1 | 153--56--3 | N | (L.) Nevski | 0920000028 |
| Elytrigia juncea subsp. boreoatlantica | Yes | A1 | 153--56--3--a | (Simonet & Guin.) Hyl. | 0920000028 | ||
| Elytrigia repens | Common Couch | Page 29 S2 | A1 | 153--56--1 | N | (L.) Desv. ex Nevski | 0920000033 |
| Elytrigia repens x atherica = E. x drucei | Yes S3 | A1 | 153--56--1 x 2 | Stace | |||
| Elytrigia repens x Hordeum secalinum = X Elytrordeum langei | Yes | A1 | 153--56 x 59--1 x 4 | (K. Richt.) Hyl. | 0920002909 | ||
| Elytrigia repens x juncea = E. x laxa | Yes | A1 | 153--56--1 x 3 | N | (Fr.) Kergu‚len | 0920000030 | |
| Elytrigia x acuta nothosubsp. obtusiuscula | Yes | A1 | 153--56--2 x 3--a | (Lange) Kergu‚len | |||
| Emex australis | Double Gee | Clement | A3 | 47--EME--aus | Steinh. | 0920006456 | |
| Emex spinosa | Clement | A3 | 47--EME--spi | (L.) Campd. | 0920006457 | ||
| Emilia javanica | Tassel-flower | Clement | A3 | 135--EMI--jav | (Burm. f.) C.B. Rob. | 0920006458 | |
| Empetrum nigrum | Page 29 | A1 | 64--1--1 | N | L. | 0920000684 | |
| Empetrum nigrum subsp. hermaphroditum | Mountain Crowberry | Yes | A1 | 64--1--1--b | N | (Hagerup) B”cher | 0920000683 |
| Empetrum nigrum subsp. nigrum | Crowberry | Yes | A1 | 64--1--1--a | 0920000685 | ||
| Enarthrocarpus lyratus | Clement | A3 | 62--ENA--lyr | (Forssk.) DC. | 0920004476 | ||
| Enkianthus deflexus | Clement | A3 | 65--ENK--def | (Griff.) C.K. Schneid. | 0920006459 | ||
| Enneapogon avenaceus | Clement | A3 | 153--ENN--ave | (Lindl.) C.E. Hubb. | 0920006460 | ||
| Enneapogon desvauxii | Clement | A3 | 153--ENN--des | P. Beauv. | 0920006461 | ||
| Enneapogon nigricans | Clement | A3 | 153--ENN--nig | (R. Br.) P. Beauv. | 0920006462 | ||
| Enteropogon acicularis | Clement | A3 | 153--ENT--aci | (Lindl.) Lazarides | 0920006463 | ||
| Epaltes australis | Spreading Nut-heads | Clement | A3 | 135--EPA--aus | Less. | 0920006464 | |
| Epilobium alsinifolium | Chickweed Willowherb | Yes | A1 | 84--1--11 | N | Vill. | 0920000690 |
| Epilobium alsinoides | Clement | A3 | 84--1--als | A. Cunn. | 0920006465 | ||
| Epilobium anagallidifolium | Alpine Willowherb | Yes | A1 | 84--1--10 | N | Lam. | 0920000691 |
| Epilobium anagallidifolium x alsinifolium = E. x boissieri | Yes | A1 | 84--1--10 x 11 | Hausskn. | 0920002796 | ||
| Epilobium brunnescens | New Zealand Willowherb | Page 29 | A1 | 84--1--12 | Ne | (Cockayne) P.H. Raven & Engelhorn | 0920000699 |
| Epilobium ciliatum | American Willowherb | Page 29 | A1 | 84--1--8 | Ne | Raf. | 0920000688 |
| Epilobium ciliatum x brunnescens = E. x brunnatum | Yes S2 | A1 | 84--1--8 x 12 | Kitchener & McKean | 0920004474 | ||
| Epilobium ciliatum x palustre = E. x fossicola | Yes S2 | A1 | 84--1--8 x 9 | Smejkal | 0920002786 | ||
| Epilobium hirsutum | Great Willowherb | Page 29 | A1 | 84--1--1 | N | L. | 0920000692 |
| Epilobium hirsutum x ciliatum = E. x novae-civitatis | Yes | A1 | 84--1--1 x 8 | ? | Smejkal | 0920002757 | |
| Epilobium hirsutum x montanum = E. x erroneum | Yes | A1 | 84--1--1 x 3 | Hausskn. | 0920002755 | ||
| Epilobium hirsutum x obscurum | Yes S3 | A1 | 84--1--1 x 6 | N | |||
| Epilobium hirsutum x palustre = E. x waterfallii | Yes | A1 | 84--1--1 x 9 | E.S. Marshall | 0920002759 | ||
| Epilobium hirsutum x parviflorum = E. x subhirsutum | Yes | A1 | 84--1--1 x 2 | Gennari | 0920002754 | ||
| Epilobium hirsutum x roseum = E. x goerzii | Yes | A1 | 84--1--1 x 7 | Rubner | 0920002756 | ||
| Epilobium hirsutum x tetragonum = E. x brevipilum | Yes | A1 | 84--1--1 x 5 | Hausskn. | 0920002758 | ||
| Epilobium komarovianum | Bronzy Willowherb | Yes | A1 | 84--1--14 | Ne | H. L‚v. | 0920002638 |
| Epilobium lanceolatum | Spear-leaved Willowherb | Yes | A1 | 84--1--4 | N | Sebast. & Mauri | 0920000694 |
| Epilobium lanceolatum x brunnescens = E. x cornubiense | Yes S2 | A1 | 84--1--4 x 12 | Kitchener & McKean | |||
| Epilobium lanceolatum x ciliatum | Yes | A1 | 84--1--4 x 8 | 0920002777 | |||
| Epilobium lanceolatum x obscurum = E. x lamotteanum | Yes | A1 | 84--1--4 x 6 | Hausskn. | 0920002778 | ||
| Epilobium lanceolatum x roseum = E. x abortivum | Yes | A1 | 84--1--4 x 7 | Hausskn. | 0920002776 | ||
| Epilobium lanceolatum x tetragonum = E. x fallacinum | Yes | A1 | 84--1--4 x 5 | Hausskn. | 0920007293 | ||
| Epilobium montanum | Broad-leaved Willowherb | Page 29 | A1 | 84--1--3 | N | L. | 0920000695 |
| Epilobium montanum x alsinifolium = E. x facchinii | Yes S1 | A1 | 84--1--3 x 11 | Hausm. | 0920002775 | ||
| Epilobium montanum x brunnescens = E. x confusilobum | Yes S2 | A1 | 84--1--3 x 12 | Kitchener & McKean | 0920004475 | ||
| Epilobium montanum x ciliatum = E. x interjectum | Yes S2 | A1 | 84--1--3 x 8 | ? | Smejkal | 0920002771 | |
| Epilobium montanum x lanceolatum = E. x neogradense | Yes | A1 | 84--1--3 x 4 | Borb s | 0920002769 | ||
| Epilobium montanum x obscurum = E. x aggregatum | Yes | A1 | 84--1--3 x 6 | N | Celak. | 0920002774 | |
| Epilobium montanum x palustre = E. x montaniforme | Yes S3 | A1 | 84--1--3 x 9 | Knaf ex Celak. | |||
| Epilobium montanum x pedunculare = E. x kitcheneri | Yes S2 | A1 | 84--1--3 x 13 | McKean | |||
| Epilobium montanum x roseum = E. x mutabile | Yes | A1 | 84--1--3 x 7 | Boiss. & Reut. | 0920002770 | ||
| Epilobium montanum x tetragonum = E. x haussknechtianum | Yes | A1 | 84--1--3 x 5 | Borb s | 0920002772 | ||
| Epilobium obscurum | Short-fruited Willowherb | Page 29 | A1 | 84--1--6 | N | Schreb. | 0920000696 |
| Epilobium obscurum x alsinifolium = E. x rivulicola | Yes | A1 | 84--1--6 x 11 | Hausskn. | 0920002793 | ||
| Epilobium obscurum x anagallidifolium = E. x marshallianum | Yes | A1 | 84--1--6 x 10 | Hausskn. | 0920002792 | ||
| Epilobium obscurum x brunnescens = E. x obscurescens | Yes S2 | A1 | 84--1--6 x 12 | Kitchener & McKean | 0920003429 | ||
| Epilobium obscurum x ciliatum = E. x vicinum | Yes S2 | A1 | 84--1--6 x 8 | ? | Smejkal | 0920002785 | |
| Epilobium obscurum x palustre = E. x schmidtianum | Yes | A1 | 84--1--6 x 9 | Rostk. | 0920002791 | ||
| Epilobium obscurum x roseum = E. x brachiatum | Yes | A1 | 84--1--6 x 7 | Celak. | 0920002781 | ||
| Epilobium palustre | Marsh Willowherb | Page 31 | A1 | 84--1--9 | N | L. | 0920000697 |
| Epilobium palustre x alsinifolium = E. x haynaldianum | Yes | A1 | 84--1--9 x 11 | Hausskn. | 0920002795 | ||
| Epilobium palustre x anagallidifolium = E. x dasycarpum | Yes S1 | A1 | 84--1--9 x 10 | Fr. | 0920002794 | ||
| Epilobium palustre x brunnescens = E. x chateri | Yes S2 | A1 | 84--1--9 x 12 | Kitchener & McKean | 0920003430 | ||
| Epilobium parviflorum | Hoary Willowherb | Page 31 | A1 | 84--1--2 | N | Schreb. | 0920000698 |
| Epilobium parviflorum x brunnescens = E. x argillaceum | Yes S3 | A1 | 84--1--2 x 12 | Kitchener | |||
| Epilobium parviflorum x ciliatum = E. x floridulum | Yes S2 | A1 | 84--1--2 x 8 | ? | Smejkal | 0920002762 | |
| Epilobium parviflorum x lanceolatum = E. x aschersonianum | Yes | A1 | 84--1--2 x 4 | Hausskn. | 0920002767 | ||
| Epilobium parviflorum x montanum = E. x limosum | Yes | A1 | 84--1--2 x 3 | N | Schur | 0920002760 | |
| Epilobium parviflorum x montanum x obscurum | Yes | A1 | 84--1--2 x 3 x 6 | 0920007289 | |||
| Epilobium parviflorum x montanum x roseum | Yes | A1 | 84--1--2 x 3 x 7 | 0920007290 | |||
| Epilobium parviflorum x obscurum = E. x dacicum | Yes | A1 | 84--1--2 x 6 | Borb s | 0920002766 | ||
| Epilobium parviflorum x palustre = E. x rivulare | Yes | A1 | 84--1--2 x 9 | Wahlenb. | 0920002768 | ||
| Epilobium parviflorum x roseum = E. x persicinum | Yes | A1 | 84--1--2 x 7 | Rchb. | 0920002761 | ||
| Epilobium parviflorum x tetragonum = E. x palatinum | Yes | A1 | 84--1--2 x 5 | F.W. Schultz | 0920002765 | ||
| Epilobium parviflorum x tetragonum x obscurum | Yes | A1 | 84--1--2 x 5 x 6 | 0920007291 | |||
| Epilobium pedunculare | Rockery Willowherb | Yes | A1 | 84--1--13 | Ne | A. Cunn. | 0920002639 |
| Epilobium pictum | Yes | A3 | 84--1--pic | Petrie | 0920006466 | ||
| Epilobium roseum | Pale Willowherb | Yes | A1 | 84--1--7 | N | Schreb. | 0920000700 |
| Epilobium roseum x ciliatum = E. x nutantiflorum | Yes S2 | A1 | 84--1--7 x 8 | Smejkal | 0920002779 | ||
| Epilobium roseum x palustre = E. x purpureum | Yes | A1 | 84--1--7 x 9 | Fr. | 0920002782 | ||
| Epilobium tetragonum | Square-stalked Willowherb | Page 31 | A1 | 84--1--5 | N | L. | 0920007292 |
| Epilobium tetragonum x ciliatum = E. x mentiens | Yes S2 | A1 | 84--1--5 x 8 | Smejkal | 0920002783 | ||
| Epilobium tetragonum x obscurum = E. x semiobscurum | Yes | A1 | 84--1--5 x 6 | Borb s | 0920002790 | ||
| Epilobium tetragonum x palustre = E. x laschianum | Yes | A1 | 84--1--5 x 9 | Hausskn. | 0920002789 | ||
| Epilobium tetragonum x roseum = E. x borbasianum | Yes | A1 | 84--1--5 x 7 | Hausskn. | 0920002780 | ||
| Epimedium alpinum | Barrenwort | Clement | A3 | 29--EPI--alp | L. | 0920000701 | |
| Epimedium perralderianum | Algerian Barrenwort | Clement | A3 | 29--EPI--per | Coss. | 0920006467 | |
| Epimedium pinnatum | Caucasian Barrenwort | Clement | A3 | 29--EPI--pin | Fisch. | 0920007837 | |
| Epipactis atrorubens | Dark-red Helleborine | Yes | A1 | 162--3--2 | N | (Hoffm.) Besser | 0920000702 |
| Epipactis atrorubens x helleborine = E. x schmalhausenii | Yes | A1 | 162--3--2 x 4 | K. Richt. | 0920007294 | ||
| Epipactis dunensis | Dune Helleborine | Yes S3 | A1 | 162--3--dun | N | (T. & T.A. Stephenson) Godfery | |
| Epipactis helleborine | Broad-leaved Helleborine | Page 31 | A1 | 162--3--4 | N | (L.) Crantz | 0920000705 |
| Epipactis leptochila | Narrow-lipped Helleborine | Yes S3 | A1 | 162--3--6 | N | (Godfery) Godfery | 0920005476 |
| Epipactis palustris | Marsh Helleborine | Page 31 | A1 | 162--3--1 | N | (L.) Crantz | 0920000708 |
| Epipactis phyllanthes | Green-flowered Helleborine | Yes | A1 | 162--3--7 | N | G.E. Sm. | 0920000709 |
| Epipactis purpurata | Violet Helleborine | Page 31 | A1 | 162--3--3 | N | Sm. | 0920000710 |
| Epipactis purpurata x helleborine = E. x schulzei | Yes | A1 | 162--3--3 x 4 | P. Fourn. | 0920007295 | ||
| Epipactis sancta | Lindisfarne Helleborine | Yes S3 | A1 | 162--3--san | N | (P. Delforge) P. Delforge | |
| Epipogium aphyllum | Ghost Orchid | Yes | A1 | 162--4--1 | N | Sw. | 0920000711 |
| Equisetum arvense | Field Horsetail | Page 31 | A1 | 4--1--5 | N | L. | 0910000712 |
| Equisetum arvense x palustre = E. x rothmaleri | Yes | A1 | 4--1--5 x 8 | C.N. Page | 0910002592 | ||
| Equisetum arvense x telmateia = E. x robertsii | Yes S3 | A1 | 4--1--5 x 9 | Dines | |||
| Equisetum fluviatile | Water Horsetail | Page 31 | A1 | 4--1--4 | N | L. | 0910000713 |
| Equisetum fluviatile x arvense = E. x litorale | Shore Horsetail | Yes | A1 | 4--1--4 x 5 | N | Khlew. ex Rupr. | 0910000715 |
| Equisetum fluviatile x palustre = E. x dycei | Yes | A1 | 4--1--4 x 8 | C.N. Page | 0910002590 | ||
| Equisetum fluviatile x telmateia = E. x willmotii | Yes S1 | A1 | 4--1--4 x 9 | C.N. Page | 0910003432 | ||
| Equisetum hyemale | Rough Horsetail | Yes | A1 | 4--1--1 | N | L. | 0910000714 |
| Equisetum hyemale x ramosissimum = E. x moorei | Moore's Horsetail | Yes | A1 | 4--1--1 x 2 | Newman | 0910000716 | |
| Equisetum hyemale x variegatum = E. x trachyodon | Mackay's Horsetail | Yes | A1 | 4--1--1 x 3 | N | A. Braun | 0910000722 |
| Equisetum palustre | Marsh Horsetail | Page 31 | A1 | 4--1--8 | N | L. | 0910000717 |
| Equisetum palustre x telmateia = E. x font-queri | Yes | A1 | 4--1--8 x 9 | Rothm. | 0910002591 | ||
| Equisetum pratense | Shady Horsetail | Yes | A1 | 4--1--6 | N | Ehrh. | 0910000718 |
| Equisetum pratense x sylvaticum = E. x mildeanum | Yes | A1 | 4--1--6 x 7 | Rothm. | 0910002963 | ||
| Equisetum ramosissimum | Branched Horsetail | Yes | A1 | 4--1--2 | Ne | Desf. | 0910000719 |
| Equisetum sylvaticum | Wood Horsetail | Page 31 | A1 | 4--1--7 | N | L. | 0910000720 |
| Equisetum sylvaticum x telmateia = E. x bowmanii | Yes | A1 | 4--1--7 x 9 | C.N. Page | 0910002962 | ||
| Equisetum telmateia | Great Horsetail | Page 31 | A1 | 4--1--9 | N | Ehrh. | 0910000721 |
| Equisetum variegatum | Variegated Horsetail | Yes | A1 | 4--1--3 | N | Schleich. ex F. Weber & D. Mohr | 0910000723 |
| Eragrostis aspera | Clement | A3 | 153--65--asp | (Jacq.) Nees | 0920006468 | ||
| Eragrostis atrovirens | Clement | A3 | 153--65--atr | (Desf.) Trin. & Steud. | 0920006469 | ||
| Eragrostis bahiensis | Clement | A3 | 153--65--bah | Schrad. ex Schult. | 0920006470 | ||
| Eragrostis barbinodis | Clement | A3 | 153--65--bab | Hack. | 0920006471 | ||
| Eragrostis barrelieri | Clement | A3 | 153--65--bar | Daveau | 0920006472 | ||
| Eragrostis benthamii | Clement | A3 | 153--65--ben | Mattei | 0920006473 | ||
| Eragrostis bicolor | Clement | A3 | 153--65--bic | Nees | 0920006474 | ||
| Eragrostis brownii | Clement | A3 | 153--65--bro | (Kunth) Nees ex Hook. & Arn. | 0920006475 | ||
| Eragrostis caesia | Clement | A3 | 153--65--cae | Stapf | 0920006476 | ||
| Eragrostis capillaris | Clement | A3 | 153--65--cap | (L.) Nees | 0920006477 | ||
| Eragrostis chloromelas | Clement | A3 | 153--65--chl | Steud. | 0920006478 | ||
| Eragrostis cilianensis | Stink-grass | Stace | A2 | 153--65--cil | Ca | (All.) Vignolo ex Janch. | 0920003160 |
| Eragrostis curvula | African Love-grass | Yes | A1 | 153--65--1 | Ne | (Schrad.) Nees | 0920007296 |
| Eragrostis dielsii | Clement | A3 | 153--65--die | Pilg. ex Diels & E. Pritz. | 0920006479 | ||
| Eragrostis echinochloidea | Clement | A3 | 153--65--ech | Stapf | 0920006480 | ||
| Eragrostis elongata | Clement | A3 | 153--65--elo | (Willd.) J. Jacq. | 0920006481 | ||
| Eragrostis glandulosipedata | Clement | A3 | 153--65--gla | De Winter | 0920006482 | ||
| Eragrostis heteromera | Clement | A3 | 153--65--het | Stapf | 0920006483 | ||
| Eragrostis kennedyae | Clement | A3 | 153--65--ken | F. Turner | 0920006484 | ||
| Eragrostis kiwuensis | Clement | A3 | 153--65--kiw | Jedwabn. | 0920006485 | ||
| Eragrostis lacunaria | Clement | A3 | 153--65--lac | F. Muell. ex Benth. | 0920006486 | ||
| Eragrostis lehmanniana | Clement | A3 | 153--65--leh | Nees | 0920006487 | ||
| Eragrostis leptocarpa | Clement | A3 | 153--65--lep | Benth. | 0920006488 | ||
| Eragrostis leptostachya | Clement | A3 | 153--65--let | (R. Br.) Steud. | 0920006489 | ||
| Eragrostis lugens | Clement | A3 | 153--65--lug | Nees | 0920006490 | ||
| Eragrostis macilenta | Clement | A3 | 153--65--mac | (A. Rich.) Steud. | 0920006491 | ||
| Eragrostis microcarpa | Clement | A3 | 153--65--mic | Vickery | 0920006492 | ||
| Eragrostis minor | Small Love-grass | Yes | A1 | 153--65--2 | Ca | Host | 0920007297 |
| Eragrostis molybdea | Clement | A3 | 153--65--mol | Vickery | 0920006493 | ||
| Eragrostis neesii | Clement | A3 | 153--65--nee | Trin. | 0920006494 | ||
| Eragrostis neomexicana | Clement | A3 | 153--65--neo | Vasey ex L.H. Dewey | 0920006495 | ||
| Eragrostis obtusa | Clement | A3 | 153--65--obt | Munro ex Stapf | 0920006496 | ||
| Eragrostis parviflora | Weeping Love-grass | Stace | A2 | 153--65--par | Ca | (R. Br.) Trin. | 0920003199 |
| Eragrostis patentissima | Clement | A3 | 153--65--pat | Hack. | 0920006497 | ||
| Eragrostis pectinacea | Clement | A3 | 153--65--pec | (Michx.) Nees | 0920004265 | ||
| Eragrostis pergracilis | Clement | A3 | 153--65--per | S.T. Blake | 0920006498 | ||
| Eragrostis pilosa | Jersey Love-grass | Yes S1 | A1 | 153--65--pil | Ne | (L.) P. Beauv. | 0920003191 |
| Eragrostis plana | Clement | A3 | 153--65--pla | Nees | 0920006499 | ||
| Eragrostis planiculmis | Clement | A3 | 153--65--plc | Nees | 0920006500 | ||
| Eragrostis procumbens | Clement | A3 | 153--65--pro | Nees | 0920006501 | ||
| Eragrostis rotifer | Clement | A3 | 153--65--rot | Rendle | 0920006502 | ||
| Eragrostis schweinfurthii | Clement | A3 | 153--65--sch | Chiov. | 0920006503 | ||
| Eragrostis tef | Teff | Stace | A2 | 153--65--tef | Ca | (Zucc.) Trotter | 0920003203 |
| Eragrostis tenuifolia | Clement | A3 | 153--65--ten | (A. Rich.) Hochst. ex Steud. | 0920006504 | ||
| Eragrostis trachycarpa | Clement | A3 | 153--65--tra | (Benth.) Domin | 0920006505 | ||
| Eragrostis trichophora | Clement | A3 | 153--65--tri | Coss. & Durieu | 0920006506 | ||
| Eragrostis virescens | Clement | A3 | 153--65--vir | J. Presl | 0920006507 | ||
| Eragrostis wilmaniae | Clement | A3 | 153--65--wil | C.E. Hubb. & Schweick. | 0920006508 | ||
| Eranthis hyemalis | Winter Aconite | Yes | A1 | 28--4--1 | Ne | (L.) Salisb. | 0920000724 |
| Eremopoa persica | Clement | A3 | 153--ERA--per | (Trin.) Roshev. | 0920006509 | ||
| Eremopyrum bonaepartis | Clement | A3 | 153--ERE--bon | (Spreng.) Nevski | 0920005599 | ||
| Eremopyrum orientale | Clement | A3 | 153--ERE--ori | (L.) Jaub. & Spach | 0920006510 | ||
| Eremopyrum triticeum | Clement | A3 | 153--ERE--tri | (Gaertn.) Nevski | 0920006511 | ||
| Erepsia heteropetala | Lesser Sea-fig | Yes | A1 | 42--7--1 | Ne | (Haw.) Schwantes | 0920002389 |
| Erica arborea | Tree Heath | Yes S1 | A1 | 65--12--arb | Ne | L. | 0920003435 |
| Erica carnea | Winter Heath | Clement | A3 | 65--12--car | L. | 0920004214 | |
| Erica ciliaris | Dorset Heath | Yes | A1 | 65--12--1 | N | L. | 0920000725 |
| Erica ciliaris x tetralix = E. x watsonii | Yes | A1 | 65--12--1 x 3 | Benth. | 0920002920 | ||
| Erica cinerea | Bell Heather | Page 31 | A1 | 65--12--5 | N | L. | 0920000726 |
| Erica erigena | Irish Heath | Yes | A1 | 65--12--7 | N | R. Ross | 0920000729 |
| Erica erigena x carnea = E. x darleyensis | Darley Dale Heath | Yes S1 | A1 | 65--12--7 x car | Ne | Bean | 0920007298 |
| Erica lusitanica | Portuguese Heath | Yes | A1 | 65--12--6 | Ne | Rudolphi | 0920000727 |
| Erica mackaiana | Mackay's Heath | Yes | A1 | 65--12--2 | N | Bab. | 0920000728 |
| Erica mackaiana x tetralix = E. x stuartii | Yes | A1 | 65--12--2 x 3 | (Macfarl.) Mast. | 0920002921 | ||
| Erica terminalis | Corsican Heath | Yes | A1 | 65--12--4 | Ne | Salisb. | 0920000730 |
| Erica tetralix | Cross-leaved Heath | Page 31 | A1 | 65--12--3 | N | L. | 0920000731 |
| Erica tetralix x vagans = E. x williamsii | Yes | A1 | 65--12--3 x 8 | Druce | 0920002922 | ||
| Erica vagans | Cornish Heath | Yes | A1 | 65--12--8 | N | L. | 0920000732 |
| Erigeron acer | Blue Fleabane | Page 31 | A1 | 135--43--6 | N | L. | 0920000733 |
| Erigeron acer x Conyza canadensis = X Conyzigeron huelsenii | Yes | A1 | 135--43 x 44--6 x 1 | (Vatke) Rauschert | 0920002824 | ||
| Erigeron annuus | Tall Fleabane | Yes | A1 | 135--43--5 | Ne | (L.) Pers. | 0920007299 |
| Erigeron borealis | Alpine Fleabane | Yes | A1 | 135--43--3 | N | (Vierh.) Simmons | 0920000734 |
| Erigeron caucasicus | Clement | A3 | 135--43--cau | Steven | 0920006512 | ||
| Erigeron divaricatus | Clement | A3 | 135--43--div | Michx. | 0920006513 | ||
| Erigeron glaucus | Seaside Daisy | Yes | A1 | 135--43--1 | Ne | Ker Gawl. | 0920004394 |
| Erigeron karvinskianus | Mexican Fleabane | Yes | A1 | 135--43--4 | Ne | DC. | 0920000736 |
| Erigeron philadelphicus | Robin's-plantain | Yes | A1 | 135--43--2 | Ne | L. | 0920007300 |
| Erigeron speciosus | Garden Fleabane | Clement | A3 | 135--43--spe | (Lindl.) DC. | 0920008056 | |
| Erigeron subtrinervis | Clement | A3 | 135--43--sub | Rydb. | 0920006514 | ||
| Erinus alpinus | Fairy Foxglove | Yes | A1 | 124--15--1 | Ne | L. | 0920000738 |
| Eriobotrya japonica | Loquat | Clement | A3 | 75--ERI--jap | (Thunb.) Lindl. | 0920006515 | |
| Eriocaulon aquaticum | Pipewort | Yes | A1 | 150--1--1 | N | (Hill) Druce | 0920000739 |
| Eriochloa contracta | Clement | A3 | 153--ERI--con | Hitchc. | 0920006516 | ||
| Eriochloa crebra | Clement | A3 | 153--ERI--cre | S.T. Blake | 0920006517 | ||
| Eriochloa fatmensis | Clement | A3 | 153--ERI--fat | (Hochst. & Steud.) Clayton | 0920006518 | ||
| Eriochloa lemmonii | Clement | A3 | 153--ERI--lem | Vasey & Scribn. | 0920006519 | ||
| Eriochloa procera | Clement | A3 | 153--ERI--pro | (Retz.) C.E. Hubb. | 0920006520 | ||
| Eriochloa pseudoacrotricha | Perennial Cup-grass | Stace | A2 | 153--ERI--pse | Ca | (Stapf ex Thell.) J.M. Black | 0920003293 |
| Eriochloa villosa | Clement | A3 | 153--ERI--vil | (Thunb.) Kunth | 0920006521 | ||
| Eriophorum angustifolium | Common Cottongrass | Page 31 | A1 | 152--1--1 | N | Honck. | 0920000740 |
| Eriophorum gracile | Slender Cottongrass | Yes | A1 | 152--1--3 | N | W.D.J. Koch ex Roth | 0920000742 |
| Eriophorum latifolium | Broad-leaved Cottongrass | Yes | A1 | 152--1--2 | N | Hoppe | 0920000743 |
| Eriophorum vaginatum | Hare's-tail Cottongrass | Page 31 | A1 | 152--1--4 | N | L. | 0920000744 |
| Eritrichium nanum | King-of-the-Alps | Clement | A3 | 116--ERI--nan | (L.) Schrad. ex Gaudin | 0920006522 | |
| Erodium acaule | Clement | A3 | 103--2--aca | (L.) Bech. & Thell. | 0920006523 | ||
| Erodium aureum | Clement | A3 | 103--2--aur | Carolin | 0920006524 | ||
| Erodium botrys | Mediterranean Stork's-bill | Stace | A2 | 103--2--bot | Ca | (Cav.) Bertol. | 0920008057 |
| Erodium brachycarpum | Hairy-pitted Stork's-bill | Stace | A2 | 103--2--bra | Ca | (Godr.) Thell. | 0920008058 |
| Erodium chium | Three-lobed Stork's-bill | Stace | A2 | 103--2--chi | Ca | (L.) Willd. | 0920008059 |
| Erodium ciconium | Clement | A3 | 103--2--cic | (L.) L'H‚r. | 0920006525 | ||
| Erodium cicutarium | Common Stork's-bill | Page 31 | A1 | 103--2--3 | N | (L.) L'H‚r. | 0920000746 |
| Erodium cicutarium x lebelii = E. x anaristatum | Yes | A1 | 103--2--3 x 4 | Andreas | 0920007301 | ||
| Erodium corsicum x reichardii = E. x variabile | Clement | A3 | 103--2--cor x rei | A.C. Leslie | 0920006535 | ||
| Erodium crinitum | Eastern Stork's-bill | Stace | A2 | 103--2--cri | Ca | Carolin | 0920008060 |
| Erodium cygnorum | Western Stork's-bill | Stace | A2 | 103--2--cyg | Ca | Nees | 0920007829 |
| Erodium cygnorum subsp. cygnorum | Stace | A2 | 103--2--cyg--a | Ca | 0920007829.1 | ||
| Erodium cygnorum subsp. glandulosum | Stace | A2 | 103--2--cyg--b | Ca | Carolin | 0920007829.2 | |
| Erodium geoides | Clement | A3 | 103--2--geo | A. St.-Hil. | 0920006526 | ||
| Erodium glaucophyllum | Clement | A3 | 103--2--gla | (L.) L'H‚r. | 0920006527 | ||
| Erodium gruinum | Long-beaked Stork's-bill | Clement | A3 | 103--2--gru | (L.) L'H‚r. | 0920006528 | |
| Erodium hymenodes | Clement | A3 | 103--2--hym | L'H‚r. | 0920006529 | ||
| Erodium laciniatum | Clement | A3 | 103--2--lac | (Cav.) Willd. | 0920006530 | ||
| Erodium lebelii | Sticky Stork's-bill | Yes | A1 | 103--2--4 | N | Jord. | 0920000747 |
| Erodium malacoides | Soft Stork's-bill | Stace | A2 | 103--2--mal | Ca | (L.) L'H‚r. | 0920008061 |
| Erodium manescavii | Garden Stork's-bill | Yes S1 | A1 | 103--2--man | Ne | Coss. | 0920003438 |
| Erodium maritimum | Sea Stork's-bill | Page 31 | A1 | 103--2--1 | N | (L.) L'H‚r. | 0920000748 |
| Erodium moschatum | Musk Stork's-bill | Page 31 | A1 | 103--2--2 | Ar | (L.) L'H‚r. | 0920000749 |
| Erodium petraeum | Rock Stork's-bill | Clement | A3 | 103--2--pet | (Gouan) Willd. | 0920006531 | |
| Erodium ruthenicum | Clement | A3 | 103--2--rut | M. Bieb. | 0920006532 | ||
| Erodium salzmannii | Clement | A3 | 103--2--sal | Delile | 0920006533 | ||
| Erodium stephanianum | Clement | A3 | 103--2--ste | Willd. | 0920006534 | ||
| Erophila glabrescens | Glabrous Whitlowgrass | Yes | A1 | 62--22--3 | N | Jord. | 0920004343 |
| Erophila majuscula | Hairy Whitlowgrass | Yes | A1 | 62--22--1 | N | Jord. | 0920004344 |
| Erophila verna | Common Whitlowgrass | Page 31 | A1 | 62--22--2 | N | (L.) DC. | 0920004342 |
| Erophila verna agg. | Aggregate | AK | 62--22--- | ||||
| Eruca vesicaria | Garden Rocket | Stace | A2 | 62--ERC--ves | Ca | (L.) Cav. | 0920000755 |
| Eruca vesicaria subsp. sativa | Stace | A2 | 62--ERC--ves--a | (Mill.) Thell. | 0920000755.1 | ||
| Eruca vesicaria subsp. vesicaria | Garden Rocket | Clement | A3 | 62--ERC--ves--b | 0920000755.2 | ||
| Erucaria hispanica | Clement | A3 | 62--ERU--his | (L.) Druce | 0920004477 | ||
| Erucastrum gallicum | Hairy Rocket | Yes | A1 | 62--36--1 | Ne | (Willd.) O.E. Schulz | 0920000756 |
| Erucastrum griquensis | Clement | A3 | 62--36--gri | (Willd.) O.E. Schulz | 0920006536 | ||
| Erucastrum nasturtiifolium | Watercress-leaved Rocket | Clement | A3 | 62--36--nas | (Poir.) O.E. Schulz | 0920004484 | |
| Erucastrum varium | Clement | A3 | 62--36--var | (Durieu) Durieu | 0920006537 | ||
| Eryngium amethystinum | Italian Eryngo | Yes S1 | A1 | 107--4--ame | Ne | L. | 0920008062 |
| Eryngium campestre | Field Eryngo | Yes | A1 | 107--4--4 | Ar | L. | 0920000757 |
| Eryngium giganteum | Tall Eryngo | Yes | A1 | 107--4--1 | Ne | M. Bieb. | 0920007302 |
| Eryngium giganteum x planum = E. x oliverianum | Clement | A3 | 107--4--1 x 2 | D. Delaroche | 0920006539 | ||
| Eryngium maritimum | Sea-holly | Page 33 | A1 | 107--4--3 | N | L. | 0920000758 |
| Eryngium planum | Blue Eryngo | Yes | A1 | 107--4--2 | Ne | L. | 0920007303 |
| Eryngium tripartitum | Clement | A3 | 107--4--tri | Desf. | 0920006538 | ||
| Erysimum asperum | Western Wallflower | Clement | A3 | 62--7--asp | (Nutt.) DC. | 0920006540 | |
| Erysimum cheiranthoides | Treacle-mustard | Page 33 | A1 | 62--7--1 | Ar | L. | 0920000759 |
| Erysimum cheiri | Wallflower | Page 33 | A1 | 62--7--2 | Ar | (L.) Crantz | 0920000479 |
| Erysimum decumbens | Decumbent Treacle-mustard | Clement | A3 | 62--7--dec | (Schleich. ex Willd.) Dennst. | 0920006541 | |
| Erysimum decumbens x perofskianum = E. x marshallii | Siberian Wallflower | Stace | A2 | 62--7--dec x per | Ne | (Henfr.) Bois | 0920004485 |
| Erysimum diffusum | Clement | A3 | 62--7--dif | Ehrh. | 0920006542 | ||
| Erysimum grandiflorum | Clement | A3 | 62--7--gra | Desf. | 0920006543 | ||
| Erysimum helveticum | Clement | A3 | 62--7--hel | (Jacq.) DC. | 0920006544 | ||
| Erysimum hieraciifolium | Clement | A3 | 62--7--hie | L. | 0920005589 | ||
| Erysimum incanum | Hoary Treacle-mustard | Clement | A3 | 62--7--inc | Kunze | 0920006546 | |
| Erysimum linifolium | Clement | A3 | 62--7--lin | (Pers.) J. Gay | 0920006547 | ||
| Erysimum repandum | Spreading Treacle-mustard | Clement | A3 | 62--7--rep | L. | 0920002568 | |
| Erysimum scoparium | Clement | A3 | 62--7--sco | (Brouss. ex Willd.) Wettst. | 0920006548 | ||
| Erythronium dens-canis | Dog's-tooth-violet | Yes S1 | A1 | 158--ERY--den | Ne | L. | 0920003439 |
| Escallonia macrantha | Escallonia | Yes | A1 | 72--1--1 | Ne | Hook. & Arn. | 0920000760 |
| Eschscholzia caespitosa | Clement | A3 | 30--6--cae | Benth. | 0920006549 | ||
| Eschscholzia californica | Californian Poppy | Yes | A1 | 30--6--1 | Ne | Cham. | 0920000761 |
| Eucalyptus coccifera | Tasmanian Snow-gum | Clement | A3 | 83--2--coc | Hook. f. | 0920004183 | |
| Eucalyptus dalrympleana | Broad-leaved Kindlingbark | Clement | A3 | 83--2--dal | Maiden | 0920008063 | |
| Eucalyptus globulus | Southern Blue-gum | Yes S1 | A1 | 83--2--glo | Ne | Labill. | 0920008064 |
| Eucalyptus gunnii | Cider Gum | Yes S1 | A1 | 83--2--gun | Ne | Hook. f. | 0920008065 |
| Eucalyptus johnstonii | Johnston's Gum | Yes S2 | A1 | 83--2--jon | Maiden | 0920008066 | |
| Eucalyptus niphophila | Shrubby Snow-gum | Yes S2 | A1 | 83--2--nip | Maiden & Blakely | ||
| Eucalyptus parvifolia | Small-leaved Gum | Clement | A3 | 83--2--par | Cambage | 0920006550 | |
| Eucalyptus pulchella | White Peppermint-gum | Yes | A1 | 83--2--1 | Ne | Desf. | 0920007304 |
| Eucalyptus urnigera | Urn-fruited Gum | Yes S2 | A1 | 83--2--urn | Ne | Hook. f. | 0920008067 |
| Eucalyptus viminalis | Ribbon Gum | Yes S2 | A1 | 83--2--vim | Ne | Labill. | 0920008068 |
| Euclidium syriacum | Clement | A3 | 62--EUC--syr | (L.) R. Br. | 0920004486 | ||
| Euonymus europaeus | Spindle | Page 33 | A1 | 88--1--1 | N | L. | 0920000762 |
| Euonymus fortunei | Clement | A3 | 88--1--for | (Turcz.) Hand.-Mazz. | 0920006551 | ||
| Euonymus hamiltonianus | Himalayan Spindle | Clement | A3 | 88--1--ham | Wall. | 0920008069 | |
| Euonymus japonicus | Evergreen Spindle | Yes | A1 | 88--1--3 | Ne | Thunb. | 0920004376 |
| Euonymus latifolius | Large-leaved Spindle | Yes | A1 | 88--1--2 | Ne | (L.) Mill. | 0920004358 |
| Euonymus planipes | Clement | A3 | 88--1--pla | (Koehne) Koehne | 0920006552 | ||
| Eupatorium cannabinum | Hemp-agrimony | Page 33 | A1 | 135--86--1 | N | L. | 0920000763 |
| Euphorbia amygdaloides | Wood Spurge | Page 33 | A1 | 91--2--16 | N | L. | 0920000764 |
| Euphorbia amygdaloides subsp. amygdaloides | Yes | A1 | 91--2--16--a | 0920000764.1 | |||
| Euphorbia amygdaloides subsp. robbiae | Yes | A1 | 91--2--16--b | Ne | (Turrill) Stace | 0920000764.2 | |
| Euphorbia arguta | Clement | A3 | 91--2--arg | Banks & Sol. | 0920006553 | ||
| Euphorbia ceratocarpa | Horned Spurge | Clement | A3 | 91--2--cer | Ten. | 0920000765 | |
| Euphorbia characias | Mediterranean Spurge | Yes | A1 | 91--2--17 | Ne | L. | 0920007121 |
| Euphorbia characias subsp. characias | Yes | A1 | 91--2--17--a | Ne | 0920007121.1 | ||
| Euphorbia characias subsp. veneta | Yes S2 | A1 | 91--2--17--b | Ne | (Willd.) Litard. | 0920007121.2 | |
| Euphorbia corallioides | Coral Spurge | Yes | A1 | 91--2--3 | Ne | L. | 0920000766 |
| Euphorbia cuneifolia | Clement | A3 | 91--2--cun | Guss. | 0920006554 | ||
| Euphorbia cyparissias | Cypress Spurge | Yes | A1 | 91--2--15 | Ne | L. | 0920000767 |
| Euphorbia cyparissias x waldsteinii = E. x gayeri | G yer's Spurge | Yes S1 | A1 | 91--2--15 x wal | Ne | Boros & So¢ | 0920003440 |
| Euphorbia dulcis | Sweet Spurge | Yes | A1 | 91--2--5 | Ne | L. | 0920000768 |
| Euphorbia esula | Leafy Spurge | Yes | A1 | 91--2--14 | Ne | L. | 0920000770 |
| Euphorbia esula agg. | Aggregate | AK | 91--2--- | ||||
| Euphorbia esula x cyparissias = E. x pseudoesula | Yes | A1 | 91--2--14 x 15 | Ne | Schur | 0920007306 | |
| Euphorbia esula x waldsteinii = E. x pseudovirgata | Twiggy Spurge | Page 33 | A1 | 91--2--14 x wal | Ne | (Schur) So¢ | 0920002998 |
| Euphorbia exigua | Dwarf Spurge | Page 33 | A1 | 91--2--10 | Ar | L. | 0920000771 |
| Euphorbia falcata | Sickle Spurge | Clement | A3 | 91--2--fal | L. | 0920006555 | |
| Euphorbia griffithii | Griffith's Spurge | Clement | A3 | 91--2--gri | Hook. f. | 0920004186 | |
| Euphorbia helioscopia | Sun Spurge | Page 33 | A1 | 91--2--8 | Ar | L. | 0920000772 |
| Euphorbia hirta | Asthma-plant | Clement | A3 | 91--2--hir | L. | 0920006556 | |
| Euphorbia hyberna | Irish Spurge | Yes | A1 | 91--2--4 | N | L. | 0920000773 |
| Euphorbia lathyris | Caper Spurge | Page 33 | A1 | 91--2--9 | Ar | L. | 0920000774 |
| Euphorbia maculata | Spotted Spurge | Yes | A1 | 91--2--2 | Ne | L. | 0920007305 |
| Euphorbia mellifera | Canary Spurge | Clement | A3 | 91--2--mel | Aiton | 0920004215 | |
| Euphorbia myrsinites | Broad-leaved Glaucous-spurge | Clement | A3 | 91--2--myr | L. | 0920006557 | |
| Euphorbia oblongata | Balkan Spurge | Yes S1 | A1 | 91--2--obl | Ne | Griseb. | 0920003442 |
| Euphorbia paralias | Sea Spurge | Page 33 | A1 | 91--2--13 | N | L. | 0920000775 |
| Euphorbia peplis | Purple Spurge | Yes | A1 | 91--2--1 | N | L. | 0920000776 |
| Euphorbia peplus | Petty Spurge | Page 33 | A1 | 91--2--11 | Ar | L. | 0920000777 |
| Euphorbia platyphyllos | Broad-leaved Spurge | Yes | A1 | 91--2--6 | Ar | L. | 0920000779 |
| Euphorbia portlandica | Portland Spurge | Page 33 | A1 | 91--2--12 | N | L. | 0920000780 |
| Euphorbia portlandica x paralias | Yes | A1 | 91--2--12 x 13 | 0920002746 | |||
| Euphorbia segetalis | Corn Spurge | Clement | A3 | 91--2--seg | L. | ||
| Euphorbia serpens | Clement | A3 | 91--2--ser | Kunth | 0920006558 | ||
| Euphorbia serrulata | Upright Spurge | Yes | A1 | 91--2--7 | ?N | Thuill. | 0920000781 |
| Euphorbia spinosa | Clement | A3 | 91--2--spi | L. | 0920006559 | ||
| Euphorbia taurinensis | Clement | A3 | 91--2--tau | All. | 0920006560 | ||
| Euphorbia valerianifolia | Clement | A3 | 91--2--val | Lam. | 0920006561 | ||
| Euphorbia villosa | Hairy Spurge | Clement | A3 | 91--2--vil | Waldst. & Kit. ex Willd. | 0920000778 | |
| Euphorbia waldsteinii | Waldstein's Spurge | Yes S1 | A1 | 91--2--wal | Ne | (Soj k) Czerep. | 0920003443 |
| Euphrasia anglica | Yes S1 | A1 | 124--20--3 | N | Pugsley | 0920000783 | |
| Euphrasia anglica x arctica | Yes | A1 | 124--20--3 x 5 | 0920007307 | |||
| Euphrasia anglica x confusa | Yes | A1 | 124--20--3 x 9 | 0920004468 | |||
| Euphrasia anglica x micrantha | Yes | A1 | 124--20--3 x 18 | 0920007308 | |||
| Euphrasia anglica x nemorosa | Yes S1 | A1 | 124--20--3 x 7 | 0920004467 | |||
| Euphrasia anglica x vigursii | Yes | A1 | 124--20--3 x 4 | 0920003445 | |||
| Euphrasia arctica | Yes | A1 | 124--20--5 | Lange ex Rostrup | 0920007310 | ||
| Euphrasia arctica subsp. arctica | Yes | A1 | 124--20--5--a | N | 0920000784 | ||
| Euphrasia arctica subsp. borealis | Yes | A1 | 124--20--5--b | N | (F. Towns.) Yeo | 0920000785 | |
| Euphrasia arctica x confusa | Yes | A1 | 124--20--5 x 9 | N | 0920004465 | ||
| Euphrasia arctica x foulaensis | Yes | A1 | 124--20--5 x 12 | 0920007311 | |||
| Euphrasia arctica x heslop-harrisonii | Yes | A1 | 124--20--5 x 20 | 0920007312 | |||
| Euphrasia arctica x marshallii | Yes | A1 | 124--20--5 x 15 | 0920007313 | |||
| Euphrasia arctica x micrantha = E. x difformis | Yes S1 | A1 | 124--20--5 x 18 | F. Towns. | 0920007314 | ||
| Euphrasia arctica x nemorosa | Yes | A1 | 124--20--5 x 7 | 0920007315 | |||
| Euphrasia arctica x nemorosa x confusa | Yes S2 | A1 | 124--20--5 x 7 x 9 | ||||
| Euphrasia arctica x nemorosa x micrantha | Yes S3 | A1 | 124--20--5 x 7 x 18 | ||||
| Euphrasia arctica x ostenfeldii | Yes S2 | A1 | 124--20--5 x 14 | ||||
| Euphrasia arctica x rotundifolia | Yes S2 | A1 | 124--20--5 x 16 | ||||
| Euphrasia arctica x salisburgensis | Yes | A1 | 124--20--5 x 21 | 0920007316 | |||
| Euphrasia arctica x scottica = E. x venusta | Yes S1 | A1 | 124--20--5 x 19 | F. Towns. | 0920004466 | ||
| Euphrasia arctica x tetraquetra | Yes S2 | A1 | 124--20--5 x 6 | 0920007357 | |||
| Euphrasia cambrica | Yes | A1 | 124--20--13 | N | Pugsley | 0920000786 | |
| Euphrasia cambrica x ostenfeldii | Yes S2 | A1 | 124--20--13 x 14 | ||||
| Euphrasia campbelliae | Yes | A1 | 124--20--17 | N | Pugsley | 0920000787 | |
| Euphrasia campbelliae x micrantha | Yes S2 | A1 | 124--20--17 x 18 | 0920003912 | |||
| Euphrasia confusa | Yes | A1 | 124--20--9 | N | Pugsley | 0920000788 | |
| Euphrasia confusa x cambrica | Yes S2 | A1 | 124--20--9 x 13 | ||||
| Euphrasia confusa x campbelliae | Yes | A1 | 124--20--9 x 17 | 0920007317 | |||
| Euphrasia confusa x foulaensis | Yes S1 | A1 | 124--20--9 x 12 | 0920003449 | |||
| Euphrasia confusa x frigida | Yes | A1 | 124--20--9 x 11 | 0920007322 | |||
| Euphrasia confusa x frigida x scottica | Yes S2 | A1 | 124--20--9 x 11 x 19 | ||||
| Euphrasia confusa x heslop-harrisonii | Yes | A1 | 124--20--9 x 20 | 0920007323 | |||
| Euphrasia confusa x micrantha | Yes | A1 | 124--20--9 x 18 | 0920007324 | |||
| Euphrasia confusa x ostenfeldii | Yes | A1 | 124--20--9 x 14 | 0920007325 | |||
| Euphrasia confusa x scottica | Yes | A1 | 124--20--9 x 19 | N | 0920004461 | ||
| Euphrasia foulaensis | Yes | A1 | 124--20--12 | N | F. Towns. ex Wettst. | 0920000791 | |
| Euphrasia foulaensis x marshallii | Yes | A1 | 124--20--12 x 15 | 0920007329 | |||
| Euphrasia foulaensis x micrantha | Yes | A1 | 124--20--12 x 18 | 0920007330 | |||
| Euphrasia foulaensis x ostenfeldii | Yes | A1 | 124--20--12 x 14 | 0920007332 | |||
| Euphrasia foulaensis x rotundifolia | Yes | A1 | 124--20--12 x 16 | 0920007333 | |||
| Euphrasia foulaensis x scottica | Yes | A1 | 124--20--12 x 19 | 0920007334 | |||
| Euphrasia frigida | Yes | A1 | 124--20--11 | N | Pugsley | 0920000792 | |
| Euphrasia frigida x micrantha | Yes | A1 | 124--20--11 x 18 | 0920007335 | |||
| Euphrasia frigida x scottica | Yes | A1 | 124--20--11 x 19 | 0920007336 | |||
| Euphrasia heslop-harrisonii | Yes | A1 | 124--20--20 | N | Pugsley | 0920000793 | |
| Euphrasia marshallii | Yes | A1 | 124--20--15 | N | Pugsley | 0920000795 | |
| Euphrasia marshallii x campbelliae | Yes | A1 | 124--20--15 x 17 | 0920007319 | |||
| Euphrasia marshallii x micrantha | Yes | A1 | 124--20--15 x 18 | 0920007337 | |||
| Euphrasia marshallii x scottica | Yes S1 | A1 | 124--20--15 x 19 | 0920003453 | |||
| Euphrasia micrantha | Yes | A1 | 124--20--18 | N | Rchb. | 0920000796 | |
| Euphrasia micrantha x salisburgensis | Yes | A1 | 124--20--18 x 21 | 0920007343 | |||
| Euphrasia micrantha x scottica = E. x electa | Yes | A1 | 124--20--18 x 19 | F. Towns. | 0920007355 | ||
| Euphrasia nemorosa | Yes | A1 | 124--20--7 | N | (Pers.) Wallr. | 0920000798 | |
| Euphrasia nemorosa x campbelliae | Yes S1 | A1 | 124--20--7 x 17 | 0920003448 | |||
| Euphrasia nemorosa x confusa | Yes | A1 | 124--20--7 x 9 | N | 0920004463 | ||
| Euphrasia nemorosa x foulaensis | Yes | A1 | 124--20--7 x 12 | 0920007331 | |||
| Euphrasia nemorosa x marshallii | Yes | A1 | 124--20--7 x 15 | 0920007338 | |||
| Euphrasia nemorosa x micrantha | Yes | A1 | 124--20--7 x 18 | 0920007340 | |||
| Euphrasia nemorosa x ostenfeldii | Yes | A1 | 124--20--7 x 14 | 0920007345 | |||
| Euphrasia nemorosa x pseudokerneri | Yes | A1 | 124--20--7 x 8 | 0920004464 | |||
| Euphrasia nemorosa x salisburgensis | Yes S1 | A1 | 124--20--7 x 21 | 0920007909 | |||
| Euphrasia nemorosa x scottica | Yes | A1 | 124--20--7 x 19 | 0920007346 | |||
| Euphrasia nemorosa x stricta = E. x haussknechtii | Yes | A1 | 124--20--7 x 10 | Wettst. | 0920007356 | ||
| Euphrasia officinalis agg. | Aggregate | AK | 124--20--- | ||||
| Euphrasia ostenfeldii | Yes | A1 | 124--20--14 | N | (Pugsley) Yeo | 0920000789 | |
| Euphrasia ostenfeldii agg. | Aggregate | AK | 124--20--- | ||||
| Euphrasia ostenfeldii x micrantha | Yes | A1 | 124--20--14 x 18 | 0920007341 | |||
| Euphrasia ostenfeldii x scottica | Yes | A1 | 124--20--14 x 19 | 0920007348 | |||
| Euphrasia pseudokerneri | Yes | A1 | 124--20--8 | N | Pugsley | 0920000801 | |
| Euphrasia pseudokerneri x confusa | Yes | A1 | 124--20--8 x 9 | 0920007326 | |||
| Euphrasia rivularis | Yes | A1 | 124--20--2 | N | Pugsley | 0920000803 | |
| Euphrasia rostkoviana | Yes | A1 | 124--20--1 | Hayne | 0920007351 | ||
| Euphrasia rostkoviana subsp. montana | Yes | A1 | 124--20--1--b | N | (Jord.) Wettst. | 0920000797 | |
| Euphrasia rostkoviana subsp. rostkoviana | Yes | A1 | 124--20--1--a | N | 0920000804 | ||
| Euphrasia rostkoviana x anglica | Yes | A1 | 124--20--1 x 3 | 0920007309 | |||
| Euphrasia rostkoviana x arctica | Yes S1 | A1 | 124--20--1 x 5 | 0920003446 | |||
| Euphrasia rostkoviana x confusa | Yes | A1 | 124--20--1 x 9 | 0920007327 | |||
| Euphrasia rostkoviana x micrantha | Yes | A1 | 124--20--1 x 18 | 0920007342 | |||
| Euphrasia rostkoviana x nemorosa | Yes S1, S2, S3 | A1 | 124--20--1 x 7 | ||||
| Euphrasia rostkoviana x rivularis | Yes S1 | A1 | 124--20--1 x 2 | 0920003461 | |||
| Euphrasia rotundifolia | Yes | A1 | 124--20--16 | N | Pugsley | 0920000805 | |
| Euphrasia salisburgensis | Yes | A1 | 124--20--21 | N | Funck | 0920000806 | |
| Euphrasia scottica | Yes | A1 | 124--20--19 | N | Wettst. | 0920000807 | |
| Euphrasia stricta | Yes | A1 | 124--20--10 | Ne | D. Wolff ex J.F. Lehm. | 0920005429 | |
| Euphrasia tetraquetra | Yes | A1 | 124--20--6 | N | (Br‚b.) Arrond. | 0920000799 | |
| Euphrasia tetraquetra x confusa | Yes | A1 | 124--20--6 x 9 | 0920004462 | |||
| Euphrasia tetraquetra x marshallii | Yes S2 | A1 | 124--20--6 x 15 | ||||
| Euphrasia tetraquetra x micrantha | Yes | A1 | 124--20--6 x 18 | 0920007344 | |||
| Euphrasia tetraquetra x nemorosa | Yes | A1 | 124--20--6 x 7 | 0920007347 | |||
| Euphrasia tetraquetra x pseudokerneri | Yes | A1 | 124--20--6 x 8 | 0920007350 | |||
| Euphrasia tetraquetra x stricta | Yes | A1 | 124--20--6 x 10 | 0920007353 | |||
| Euphrasia vigursii | Yes | A1 | 124--20--4 | N | Davey | 0920000800 | |
| Euphrasia vigursii x tetraquetra | Yes | A1 | 124--20--4 x 6 | 0920007354 | |||
| Exaculum pusillum | Guernsey Centaury | Yes | A1 | 108--2--1 | N | (Lam.) Caruel | 0920000808 |
| Exodeconus glutinosa | Clement | A3 | 110--EXO--glu | Schltdl. | 0920006562 |