Listing Genus
| Genus | C* | Accepted name | Genus ja | Family | Infra familial classification | # species | ||||
|---|---|---|---|---|---|---|---|---|---|---|
| Handroanthus Mattos | Accepted | ノウゼンカズラ科 (Bignoniaceae) | Tribe Crescentieae | 36 | Show | Google Search | ||||
| Haplopappus Cass. | Accepted | キク科 (Asteraceae) | Show | Google Search | ||||||
| Hardenbergia Benth. | Accepted | マメ科 (Fabaceae) | Show | Google Search | ||||||
| Harpullia Roxb. | Accepted | ムクロジ科 (Sapindaceae) | Show | Google Search | ||||||
| Harrisia Britton | Accepted | サボテン科 (Cactaceae) | Subfamily Cactoideae | 18 | Show | Google Search | ||||
| ×Harrisinopsis G.D.Rowley | Accepted | サボテン科 (Cactaceae) | Subfamily Cactoideae | Show | Google Search | |||||
| Hatiora Britton & Rose | Accepted | ハチオラ | サボテン科 (Cactaceae) | Subfamily Cactoideae | 3 | Show | Google Search | |||
| ×Hawaiiara Anon. | Accepted | ラン科 (Orchidaceae) | Show | Google Search | ||||||
| Haworthia Duval | Accepted | ハオルチア | ツルボラン科 (Asphodelaceae) | Subfamily Asphodeloideae | 59 | Show | Google Search | |||
| Haworthiopsis G.D.Rowley | Accepted | ツルボラン科 (Asphodelaceae) | Subfamily Asphodeloideae | 19 | Show | Google Search | ||||
| Hebe Comm. ex Juss. | = Veronica | オオバコ科 (Plantaginaceae) | Show | Google Search | ||||||
| Hechtia Klotzsch | Accepted | パイナップル科 (Bromeliaceae) | Subfamily Hechtioideae | 98 | Show | Google Search | ||||
| Hectorella Hook.f. | Accepted | ヌマハコベ科 (Montiaceae) | 1 | Show | Google Search | |||||
| Hedera L. | Accepted | ウコギ科 (Araliaceae) | Show | Google Search | ||||||
| Hedychium | ショウガ科 (Zingiberaceae) | Show | Google Search | |||||||
| Hedyotis L. | Accepted | アカネ科 (Rubiaceae) | Show | Google Search | ||||||
| Hedysarum | マメ科 (Fabaceae) | Show | Google Search | |||||||
| Hedyscepe | ヤシ科 (Arecaceae) | Show | Google Search | |||||||
| Heimia Link | Accepted | キバナミソハギ | ミソハギ科 (Lythraceae) | 4 | Show | Google Search | ||||
| Helenium L. | Accepted | キク科 (Asteraceae) | Show | Google Search | ||||||
| Heliabravoa Backeb. | = Polaskia | サボテン科 (Cactaceae) | Show | Google Search | ||||||
| Helianthemum Miller | Accepted | ハンニチバナ科 (Cistaceae) | Show | Google Search | ||||||
| Helianthocereus Backeb. | = Soehrensia | サボテン科 (Cactaceae) | Subfamily Cactoideae | Show | Google Search | |||||
| Helianthus L. | Accepted | キク科 (Asteraceae) | Show | Google Search | ||||||
| Helichrysum | キク科 (Asteraceae) | Show | Google Search | |||||||
* C: Conserved name