| Accepted Latin Names | Common Name | In Kent? | Type | Kent ref. | Status | Authority | Record No. |
|---|---|---|---|---|---|---|---|
| Kalanchoe blossfeldiana | Flaming Katy | Clement | A3 | 73--KAL--blo | Poelln. | 0920006784 | |
| Kalmia angustifolia | Sheep-laurel | Yes | A1 | 65--4--2 | Ne | L. | 0920002257 |
| Kalmia latifolia | Mountain-laurel | Yes S1 | A1 | 65--4--lat | Ne | L. | 0920003483 |
| Kalmia polifolia | Bog-laurel | Yes | A1 | 65--4--1 | Ne | Wangenh. | 0920001081 |
| Kernera saxatilis | Kernera | Clement | A3 | 62--KER--sax | (L.) Rchb. | 0920006785 | |
| Kerria japonica | Kerria | Yes | A1 | 75--7--1 | Ne | (L.) DC. | 0920004378 |
| Kickxia elatine | Sharp-leaved Fluellen | Page 47 | A1 | 124--12--1 | Ar | (L.) Dumort. | 0920001082 |
| Kickxia elatine subsp. crinita | Clement | A3 | 124--12--1--b | (Mabille) Greuter | 0920001082.2 | ||
| Kickxia elatine subsp. elatine | Other | AT | 124--12--1--a | ||||
| Kickxia spuria | Round-leaved Fluellen | Page 47 | A1 | 124--12--2 | Ar | (L.) Dumort. | 0920001083 |
| Kitaibela vitifolia | Clement | A3 | 53--KIT--vit | Willd. | 0920006787 | ||
| Knautia arvensis | Field Scabious | Page 47 | A1 | 134--3--1 | N | (L.) Coult. | 0920001084 |
| Knautia dipsacifolia | Clement | A3 | 134--3--dip | (Schrank) Kreutzer | 0920006788 | ||
| Kniphofia praecox | Greater Red-hot-poker | Yes | A1 | 158--6--2 | Ne | Baker | 0920007422 |
| Kniphofia rufa | Clement | A3 | 158--6--ruf | Leichtlin ex Baker | 0920006790 | ||
| Kniphofia uvaria | Red-hot-poker | Yes | A1 | 158--6--1 | Ne | (L.) Oken | 0920007423 |
| Kobresia simpliciuscula | False Sedge | Yes | A1 | 152--15--1 | N | (Wahlenb.) Mack. | 0920001085 |
| Koeleria macrantha | Crested Hair-grass | Page 47 | A1 | 153--31--2 | N | (Ledeb.) Schult. | 0920002400 |
| Koeleria vallesiana | Somerset Hair-grass | Yes | A1 | 153--31--1 | N | (Honck.) Gaudin | 0920001088 |
| Koeleria vallesiana x macrantha | Yes | A1 | 153--31--1 x 2 | 0920002910 | |||
| Koelreuteria paniculata | Pride-of-India | Yes | A1 | 97--1--1 | Ne | Laxm. | 0920007424 |
| Koenigia islandica | Iceland-purslane | Yes | A1 | 47--2--1 | N | L. | 0920001089 |
| Kolkwitzia amabilis | Beauty-bush | Clement | A3 | 131--KOL--ama | Graebn. | 0920006791 |