The botanical directory
From familiar garden flowers to species you have yet to meet. Explore the flowering plant tree through accepted scientific names, botanical families, and synonyms.
- Accepted species
- 347,476
- Synonym names
- 710,971
- Botanical families
- 430
- Genera
- 13,895
Find a flower. Follow its family.
Search scientific names or try a familiar florist name, like rose or peony.
Scientific names and synonyms are searchable from two characters. Familiar florist names link to their broader genus; common names are not available for every species.
12,346 species in PoaceaeShowing 6,337–6,360
Clear filtersPhotos show the identified species; cultivars and commercial forms can vary. Related genus guides cover other plants in the same group. Name authors credit the botanists behind a scientific name; “L.” stands for Carl Linnaeus. Swipe across the table to see family and guide links.
| Photo | Species | Family & genus | Flower guides |
|---|---|---|---|
| No photo yet | Hydrothauma manicatumName author: C.E.Hubb.Accepted species | PoaceaeHydrothauma genus | No guide yet |
| No photo yet | Hygrochloa aquaticaName author: LazaridesAccepted species | PoaceaeHygrochloa genus | No guide yet |
| No photo yet | Hygrochloa craveniiName author: LazaridesAccepted species | PoaceaeHygrochloa genus | No guide yet |
| No photo yet | Hygroryza aristataName author: (Retz.) Nees ex Wight & Arn.Accepted species | PoaceaeHygroryza genus | No guide yet |
| No photo yet | Hylebates chlorochloeName author: (K.Schum.) NapperAccepted species | PoaceaeHylebates genus | No guide yet |
| No photo yet | Hylebates cordatusName author: Chippind.Accepted species | PoaceaeHylebates genus | No guide yet |
| No photo yet | Hymenachne amplexicaulisName author: (Rudge) NeesAccepted species | PoaceaeHymenachne genus | No guide yet |
| No photo yet | Hymenachne assamicaName author: (Hook.f.) Hitchc.Accepted species | PoaceaeHymenachne genus | No guide yet |
| No photo yet | Hymenachne auritaName author: (J.Presl ex Nees) BalansaAccepted species | PoaceaeHymenachne genus | No guide yet |
| No photo yet | Hymenachne bresoliniiName author: (L.B.Sm. & Wassh.) ZuloagaAccepted species | PoaceaeHymenachne genus | No guide yet |
| No photo yet | Hymenachne condensataName author: (Bertol.) ChaseAccepted species | PoaceaeHymenachne genus | No guide yet |
| No photo yet | Hymenachne donacifoliaName author: (Raddi) ChaseAccepted species | PoaceaeHymenachne genus | No guide yet |
| No photo yet | Hymenachne fellianaName author: (B.K.Simon) ZuloagaAccepted species | PoaceaeHymenachne genus | No guide yet |
| No photo yet | Hymenachne grandisName author: (Hitchc. & Chase) ZuloagaAccepted species | PoaceaeHymenachne genus | No guide yet |
| No photo yet | Hymenachne grumosaName author: (Nees) ZuloagaAccepted species | PoaceaeHymenachne genus | No guide yet |
| No photo yet | Hymenachne harleyiName author: (Salariato, Morrone & Zuloaga) ZuloagaAccepted species | PoaceaeHymenachne genus | No guide yet |
| No photo yet | Hymenachne leptachneName author: (Döll) ZuloagaAccepted species | PoaceaeHymenachne genus | No guide yet |
| No photo yet | Hymenachne longaName author: (Hitchc. & Chase) ZuloagaAccepted species | PoaceaeHymenachne genus | No guide yet |
| No photo yet | Hymenachne panduranganiiName author: J.Remya & Geethakum.Accepted species | PoaceaeHymenachne genus | No guide yet |
| No photo yet | Hymenachne patensName author: L.LiuAccepted species | PoaceaeHymenachne genus | No guide yet |
| No photo yet | Hymenachne pernambucensisName author: (Spreng.) ZuloagaAccepted species | PoaceaeHymenachne genus | No guide yet |
| No photo yet | Hymenachne stagnatilisName author: (Hitchc. & Chase) ZuloagaAccepted species | PoaceaeHymenachne genus | No guide yet |
| No photo yet | Hymenachne wombaliensisName author: Vanderyst ex RobynsAccepted species | PoaceaeHymenachne genus | No guide yet |
| No photo yet | Hyparrhenia anamesaName author: ClaytonAccepted species | PoaceaeHyparrhenia genus | No guide yet |
A living reference.
A documented starting point.
Taxonomy changes as plants are studied. This directory preserves the accepted names and synonym relationships in a specific World Flora Online release, so you can trace every entry to its source.
View the June 2026 source datasetWhat is included?
All 347,476 accepted species classified under Angiosperms in this snapshot, plus 710,971 names treated as synonyms of those species. Flowering trees, grasses, and other less familiar flowering plants belong here too.
Is this every flower that has ever existed?
No complete list of every historical or undiscovered species exists. This collection excludes unresolved names, subspecies and varieties as separate records, non-flowering plants, and most cultivated forms. It is not a complete fossil or cultivar register.
Can I order these flowers?
A botanical record does not establish cut-flower availability or suitability for an arrangement. Our 1230 florist guides cover commercial flowers, specialty garden cuts, and foliage, with design notes, photos, and calculator links. Calculator selection uses that florist collection; other ingredients can be entered as custom items.
Taxonomy: World Flora Online Consortium · CC0 public domain · Published June 21, 2026. Photographs and editorial florist guides have separate credits.