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.
279 species · CrataegusShowing 145–168
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 | Crataegus ouachitensisName author: E.J.PalmerAccepted species | RosaceaeCrataegus genus | No guide yet |
| No photo yet | Crataegus padifoliaName author: Sarg.Accepted species | RosaceaeCrataegus genus | No guide yet |
| No photo yet | Crataegus pallasiiName author: Griseb.Accepted species | RosaceaeCrataegus genus | No guide yet |
| No photo yet | Crataegus pamiroalaicaName author: ZaprjagaevaAccepted species | RosaceaeCrataegus genus | No guide yet |
| No photo yet | Crataegus pearsoniiName author: AsheAccepted species | RosaceaeCrataegus genus | No guide yet |
| No photo yet | Crataegus pennsylvanicaName author: AsheAccepted species | RosaceaeCrataegus genus | No guide yet |
| No photo yet | Crataegus pentagynaName author: Waldst. & Kit. ex Willd.Accepted species | RosaceaeCrataegus genus | No guide yet |
| No photo yet | Crataegus pequotorumName author: Sarg.Accepted species | RosaceaeCrataegus genus | No guide yet |
| No photo yet | Crataegus persimilisName author: Sarg.Accepted species | RosaceaeCrataegus genus | No guide yet |
| No photo yet | Crataegus petrodavisiiName author: DönmezAccepted species | RosaceaeCrataegus genus | No guide yet |
| No photo yet | Crataegus phaenopyrumName author: (L.f.) Medik.Accepted species | RosaceaeCrataegus genus | No guide yet |
| No photo yet | Crataegus phippsiiName author: O'KennonAccepted species | RosaceaeCrataegus genus | No guide yet |
| No photo yet | Crataegus pinnatifidaName author: BungeAccepted species | RosaceaeCrataegus genus | No guide yet |
| No photo yet | Crataegus piperiName author: BrittonAccepted species | RosaceaeCrataegus genus | No guide yet |
| No photo yet | Crataegus pisiferaName author: Sarg.Accepted species | RosaceaeCrataegus genus | No guide yet |
| No photo yet | Crataegus ponticaName author: K.KochAccepted species | RosaceaeCrataegus genus | No guide yet |
| No photo yet | Crataegus populneaName author: AsheAccepted species | RosaceaeCrataegus genus | No guide yet |
| No photo yet | Crataegus pronaName author: AsheAccepted species | RosaceaeCrataegus genus | No guide yet |
| No photo yet | Crataegus pruinosaName author: (H.L.Wendl.) K.KochAccepted species | RosaceaeCrataegus genus | No guide yet |
| No photo yet | Crataegus pseudoazarolusName author: PopovAccepted species | RosaceaeCrataegus genus | No guide yet |
| No photo yet | Crataegus pseudoheterophyllaName author: Pojark.Accepted species | RosaceaeCrataegus genus | No guide yet |
| No photo yet | Crataegus pseudosanguineaName author: Popov ex Pojark.Accepted species | RosaceaeCrataegus genus | No guide yet |
| No photo yet | Crataegus pulcherrimaName author: AsheAccepted species | RosaceaeCrataegus genus | No guide yet |
| No photo yet | Crataegus punctataName author: Jacq.Accepted species | RosaceaeCrataegus 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 980 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.