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.
4,388 species in BrassicaceaeShowing 3,601–3,624
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 | Pennellia tricornutaName author: (Rollins) R.A.Price, C.D.Bailey & Al-ShehbazAccepted species | BrassicaceaePennellia genus | No guide yet |
| No photo yet | Pennellia yalaensisName author: Salariato & Al-ShehbazAccepted species | BrassicaceaePennellia genus | No guide yet |
| No photo yet | Petiniotia purpurascensName author: (Boiss.) J.LéonardAccepted species | BrassicaceaePetiniotia genus | No guide yet |
| No photo yet | Petrocallis pyrenaicaName author: (L.) R.Br.Accepted species | BrassicaceaePetrocallis genus | No guide yet |
| No photo yet | Petrocallis pyrenaicaName author: (L.) W.T.AitonAccepted species | BrassicaceaePetrocallis genus | No guide yet |
| No photo yet | Petroravenia eseptataName author: Al-ShehbazAccepted species | BrassicaceaePetroravenia genus | No guide yet |
| No photo yet | Phlebolobium maclovianumName author: (d'Urv.) O.E.SchulzAccepted species | BrassicaceaePhlebolobium genus | No guide yet |
| No photo yet | Phlegmatospermum cochlearinumName author: (F.Muell.) O.E.SchulzAccepted species | BrassicaceaePhlegmatospermum genus | No guide yet |
| No photo yet | Phlegmatospermum drummondiiName author: (Benth.) O.E.SchulzAccepted species | BrassicaceaePhlegmatospermum genus | No guide yet |
| No photo yet | Phlegmatospermum eremaeumName author: (J.M.Black) E.A.ShawAccepted species | BrassicaceaePhlegmatospermum genus | No guide yet |
| No photo yet | Phlegmatospermum richardsiiName author: (F.Muell.) E.A.ShawAccepted species | BrassicaceaePhlegmatospermum genus | No guide yet |
| No photo yet | Phoenicaulis cheiranthoidesName author: Nutt.Accepted species | BrassicaceaePhoenicaulis genus | No guide yet |
| No photo yet | Phravenia viereckiiName author: (O.E.Schulz) Al-Shehbaz & WarwickAccepted species | BrassicaceaePhravenia genus | No guide yet |
| No photo yet | Phyllolepidum cyclocarpumName author: (Boiss.) L.CecchiAccepted species | BrassicaceaePhyllolepidum genus | No guide yet |
| No photo yet | Phyllolepidum rupestreName author: (Ten.) TrinajstićAccepted species | BrassicaceaePhyllolepidum genus | No guide yet |
| No photo yet | Physaria acutifoliaName author: Rydb.Accepted species | BrassicaceaePhysaria genus | No guide yet |
| No photo yet | Physaria alpestrisName author: Suksd.Accepted species | BrassicaceaePhysaria genus | No guide yet |
| No photo yet | Physaria alpinaName author: RollinsAccepted species | BrassicaceaePhysaria genus | No guide yet |
| No photo yet | Physaria angustifoliaName author: (Nutt. ex Torr. & A.Gray) O'Kane & Al-ShehbazAccepted species | BrassicaceaePhysaria genus | No guide yet |
| No photo yet | Physaria arcticaName author: (Wormsk. ex Hornem.) O'Kane & Al-ShehbazAccepted species | BrassicaceaePhysaria genus | No guide yet |
| No photo yet | Physaria arenosaName author: (Richardson) O'Kane & Al-ShehbazAccepted species | BrassicaceaePhysaria genus | No guide yet |
| No photo yet | Physaria argenteaName author: (S.Schauer) O'Kane & Al-ShehbazAccepted species | BrassicaceaePhysaria genus | No guide yet |
| No photo yet | Physaria argyraeaName author: (A.Gray) O'Kane & Al-ShehbazAccepted species | BrassicaceaePhysaria genus | No guide yet |
| No photo yet | Physaria arizonicaName author: (S.Watson) O'Kane & Al-ShehbazAccepted species | BrassicaceaePhysaria 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.