| Accepted Latin Names | Common Name | In Kent? | Type | Kent ref. | Status | Authority | Record No. | |
|---|---|---|---|---|---|---|---|---|
| Zannichellia palustris | Horned Pondweed | Page 99 | A1 | 145--1--1 | N | L. | 0920002237 | 6300 |
| Zannichellia palustris subsp. palustris | Yes S2 | A1 | 145--1--1--a | 6301 | ||||
| Zannichellia palustris subsp. pedicellata | Yes S2 | A1 | 145--1--1--b | (Wahlenb. & Ros‚n) Syme | 6302 | |||
| Zantedeschia aethiopica | Altar-lily | Yes | A1 | 147--4--1 | Ne | (L.) Spreng. | 0920007672 | 6312 |
| Zauschneria californica | Californian Fuchsia | Clement | A3 | 84--ZAU--cal | C. Presl | 0920009091 | 3412 | |
| Zea mays | Maize | Stace | A2 | 153--ZEA--may | Ca | L. | 7403 | |
| Zelkova carpinifolia | Caucasian Elm | Clement | A3 | 33--ZEL--car | (Pall.) K. Koch | 0920004038 | 501 | |
| Zelkova serrata | Japanese Elm | Clement | A3 | 33--ZEL--ser | (Thunb.) Makino | 0920005586 | 502 | |
| Zenobia pulverulenta | Zenobia | Clement | A3 | 65--ZEN--pul | (W. Bartram ex Willd.) Pollard | 0920005588 | 1869 | |
| Zingeria biebersteiniana | Clement | A3 | 153--ZIN--bie | (Claus) P.A. Smirn. | 0920009092 | 7404 | ||
| Zingeria pisidica | Clement | A3 | 153--ZIN--pis | (Boiss.) Tutin | 0920009093 | 7405 | ||
| Zinnia elegans | Youth-and-age | Clement | A3 | 135--ZIN--ele | Jacq. | 0920008279 | 6214 | |
| Zinnia peruviana | Clement | A3 | 135--ZIN--per | (L.) L. | 0920009094 | 6215 | ||
| Zizania latifolia | Manchurian Wildrice | Yes S2 | A1 | 153--ZIZ--lat | (Griseb.) Turcz. ex Stapf | 7406 | ||
| Ziziphora capitata | Clement | A3 | 118--ZIZ--cap | L. | 0920009095 | 4346 | ||
| Ziziphora clinopodioides | Clement | A3 | 118--ZIZ--cli | Lam. | 0920009096 | 4347 | ||
| Ziziphora taurica | Clement | A3 | 118--ZIZ--tau | M. Bieb. | 0920005618 | 4348 | ||
| Zoegea leptaurea | Clement | A3 | 135--ZOE--lep | L. | 0920009097 | 6216 | ||
| Zostera marina | Eelgrass | Yes | A1 | 146--1--1 | N | L. | 0920002239 | 6303 |
| Zostera noltei | Dwarf Eelgrass | Yes | A1 | 146--1--2 | N | Hornem. | 0920002240 | 6304 |
| Zygophyllum fabago | Syrian Bean-caper | Clement | A3 | 101B--ZYG--fab | L. | 0920009098 | 3568 |