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.
27 species · AvenaShowing 1–24
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 | Avena abyssinicaName author: Hochst.Accepted species | PoaceaeAvena genus | Related genus guideOats |
| No photo yet | Avena aemulansName author: NevskiAccepted species | PoaceaeAvena genus | Related genus guideOats |
| No photo yet | Avena agadirianaName author: B.R.Baum & G.FedakAccepted species | PoaceaeAvena genus | Related genus guideOats |
| No photo yet | Avena atlanticaName author: B.R.Baum & G.FedakAccepted species | PoaceaeAvena genus | Related genus guideOats |
| No photo yet | Avena barbataName author: Pott ex LinkAccepted species | PoaceaeAvena genus | Related genus guideOats |
| No photo yet | Avena brevisName author: RothAccepted species | PoaceaeAvena genus | Related genus guideOats |
| No photo yet | Avena byzantinaName author: K.KochAccepted species | PoaceaeAvena genus | Related genus guideOats |
| No photo yet | Avena canariensisName author: B.R.Baum, Rajhathy & D.R.SampsonAccepted species | PoaceaeAvena genus | Related genus guideOats |
| No photo yet | Avena chinensisName author: (Fisch. ex Roem. & Schult.) Metzg.Accepted species | PoaceaeAvena genus | Related genus guideOats |
| No photo yet | Avena claudaName author: DurieuAccepted species | PoaceaeAvena genus | Related genus guideOats |
| No photo yet | Avena erianthaName author: DurieuAccepted species | PoaceaeAvena genus | Related genus guideOats |
| No photo yet | Avena fatuaName author: Carl Linnaeus (L.)Accepted species | PoaceaeAvena genus | Related genus guideOats |
| No photo yet | Avena insularisName author: Ladiz.Accepted species | PoaceaeAvena genus | Related genus guideOats |
| No photo yet | Avena longiglumisName author: DurieuAccepted species | PoaceaeAvena genus | Related genus guideOats |
| No photo yet | Avena magnaName author: H.C.Murphy & TerrellAccepted species | PoaceaeAvena genus | Related genus guideOats |
| No photo yet | Avena murphyiName author: Ladiz.Accepted species | PoaceaeAvena genus | Related genus guideOats |
| No photo yet | Avena nudaName author: Carl Linnaeus (L.)Accepted species | PoaceaeAvena genus | Related genus guideOats |
| No photo yet | Avena prostrataName author: Ladiz.Accepted species | PoaceaeAvena genus | Related genus guideOats |
| No photo yet | Avena sativaName author: Carl Linnaeus (L.)Accepted species | PoaceaeAvena genus | Oats guide |
| No photo yet | Avena saxatilisName author: (Lojac.) Rocha AfonsoAccepted species | PoaceaeAvena genus | Related genus guideOats |
| No photo yet | Avena scholziiName author: TzvelevAccepted species | PoaceaeAvena genus | Related genus guideOats |
| No photo yet | Avena sterilisName author: Carl Linnaeus (L.)Accepted species | PoaceaeAvena genus | Related genus guideOats |
| No photo yet | Avena strigosaName author: Schreb.Accepted species | PoaceaeAvena genus | Related genus guideOats |
| No photo yet | Avena vavilovianaName author: (Malzev) Mordv.Accepted species | PoaceaeAvena genus | Related genus guideOats |
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.