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.
334 species · ThesiumShowing 265–288
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 | Thesium resinifoliumName author: N.E.Br.Accepted species | SantalaceaeThesium genus | No guide yet |
| No photo yet | Thesium retamoidesName author: (A.Santos) J.C.Manning & F.ForestAccepted species | SantalaceaeThesium genus | No guide yet |
| No photo yet | Thesium robynsiiName author: LawalréeAccepted species | SantalaceaeThesium genus | No guide yet |
| No photo yet | Thesium rostratumName author: Mert. & W.D.J.KochAccepted species | SantalaceaeThesium genus | No guide yet |
| No photo yet | Thesium rufescensName author: A.W.HillAccepted species | SantalaceaeThesium genus | No guide yet |
| No photo yet | Thesium rupestreName author: Ledeb.Accepted species | SantalaceaeThesium genus | No guide yet |
| No photo yet | Thesium saxatileName author: Turcz.Accepted species | SantalaceaeThesium genus | No guide yet |
| No photo yet | Thesium scabriflorumName author: P.H.DavisAccepted species | SantalaceaeThesium genus | No guide yet |
| No photo yet | Thesium scabrumName author: Carl Linnaeus (L.)Accepted species | SantalaceaeThesium genus | No guide yet |
| No photo yet | Thesium scandensName author: E.Mey.Accepted species | SantalaceaeThesium genus | No guide yet |
| No photo yet | Thesium schliebeniiName author: Pilg.Accepted species | SantalaceaeThesium genus | No guide yet |
| No photo yet | Thesium schumannianumName author: Schltr.Accepted species | SantalaceaeThesium genus | No guide yet |
| No photo yet | Thesium schweinfurthiiName author: Engl.Accepted species | SantalaceaeThesium genus | No guide yet |
| No photo yet | Thesium scirpioidesName author: A.W.HillAccepted species | SantalaceaeThesium genus | No guide yet |
| No photo yet | Thesium sedifoliumName author: (Kuntze) A.DC. ex LevynsAccepted species | SantalaceaeThesium genus | No guide yet |
| No photo yet | Thesium selagineumName author: A.DC.Accepted species | SantalaceaeThesium genus | No guide yet |
| No photo yet | Thesium semotumName author: N.E.Br.Accepted species | SantalaceaeThesium genus | No guide yet |
| No photo yet | Thesium sertulariastrumName author: A.W.HillAccepted species | SantalaceaeThesium genus | No guide yet |
| No photo yet | Thesium setulosumName author: Robyns & LawalréeAccepted species | SantalaceaeThesium genus | No guide yet |
| No photo yet | Thesium singulareName author: HilliardAccepted species | SantalaceaeThesium genus | No guide yet |
| No photo yet | Thesium sommieriName author: HendrychAccepted species | SantalaceaeThesium genus | No guide yet |
| No photo yet | Thesium sonderianumName author: Schltr.Accepted species | SantalaceaeThesium genus | No guide yet |
| No photo yet | Thesium spartioidesName author: A.W.HillAccepted species | SantalaceaeThesium genus | No guide yet |
| No photo yet | Thesium spicatumName author: Carl Linnaeus (L.)Accepted species | SantalaceaeThesium 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.