Scientific names, authorship, taxonomy and documented use categories across the complete World Checklist of Useful Plant Species—including every medicinal record.
A documented use category records reported human use; it does not establish effectiveness, safety or interchangeability.
Raoulia australis Hook.f. ex Raoul
Documented in the global useful-plant checklist with one or more reported human-use categories. Open the record for full taxonomy and source context.
Ratibida columnifera (Nutt.) Wooton & Standl.
Documented in the global useful-plant checklist with a reported medicinal use category. Open the record for full taxonomy and source context.
Ratibida tagetes (E.James) Barnhart
Documented in the global useful-plant checklist with a reported medicinal use category. Open the record for full taxonomy and source context.
Reichardia tingitana (L.) Roth
Documented in the global useful-plant checklist with a reported medicinal use category. Open the record for full taxonomy and source context.
Rhanterium epapposum Oliv.
Documented in the global useful-plant checklist with one or more reported human-use categories. Open the record for full taxonomy and source context.
Rhanterium suaveolens Desf.
Documented in the global useful-plant checklist with one or more reported human-use categories. Open the record for full taxonomy and source context.
Rhaponticoides africana (Lam.) M.V.Agab. & Greuter
Documented in the global useful-plant checklist with a reported medicinal use category. Open the record for full taxonomy and source context.
Rhaponticoides centaurium (L.) M.V.Agab. & Greuter
Documented in the global useful-plant checklist with a reported medicinal use category. Open the record for full taxonomy and source context.
Rhaponticum repens (L.) Hidalgo
Documented in the global useful-plant checklist with a reported medicinal use category. Open the record for full taxonomy and source context.
Rhaponticum scariosum Lam.
Documented in the global useful-plant checklist with a reported medicinal use category. Open the record for full taxonomy and source context.
Rhodanthe floribunda (DC.) Paul G.Wilson
Documented in the global useful-plant checklist with one or more reported human-use categories. Open the record for full taxonomy and source context.
Rhodanthe humboldtiana (Gaudich.) Paul G.Wilson
Documented in the global useful-plant checklist with one or more reported human-use categories. Open the record for full taxonomy and source context.
Rhodanthe manglesii Lindl.
Documented in the global useful-plant checklist with one or more reported human-use categories. Open the record for full taxonomy and source context.
Rhodanthe pygmaea (DC.) Paul G.Wilson
Documented in the global useful-plant checklist with one or more reported human-use categories. Open the record for full taxonomy and source context.
Richteria pyrethroides Kar. & Kir.
Documented in the global useful-plant checklist with a reported medicinal use category. Open the record for full taxonomy and source context.
Robinsonia gayana Decne.
Documented in the global useful-plant checklist with one or more reported human-use categories. Open the record for full taxonomy and source context.
Rolandra fruticosa (L.) Kuntze
Documented in the global useful-plant checklist with a reported medicinal use category. Open the record for full taxonomy and source context.
Roldana barba-johannis (DC.) H.Rob. & Brettell
Documented in the global useful-plant checklist with one or more reported human-use categories. Open the record for full taxonomy and source context.
Roldana hartwegii (Benth.) H.Rob. & Brettell
Documented in the global useful-plant checklist with a reported medicinal use category. Open the record for full taxonomy and source context.
Roldana petasitis (Sims) H.Rob. & Brettell
Documented in the global useful-plant checklist with one or more reported human-use categories. Open the record for full taxonomy and source context.
Rudbeckia fulgida Aiton
Documented in the global useful-plant checklist with a reported medicinal use category. Open the record for full taxonomy and source context.
Rudbeckia hirta L.
Documented in the global useful-plant checklist with a reported medicinal use category. Open the record for full taxonomy and source context.
Rudbeckia laciniata L.
Documented in the global useful-plant checklist with a reported medicinal use category. Open the record for full taxonomy and source context.
Rudbeckia maxima Nutt.
Documented in the global useful-plant checklist with one or more reported human-use categories. Open the record for full taxonomy and source context.
Rudbeckia nitida Nutt.
Documented in the global useful-plant checklist with one or more reported human-use categories. Open the record for full taxonomy and source context.
Rudbeckia occidentalis Nutt.
Documented in the global useful-plant checklist with one or more reported human-use categories. Open the record for full taxonomy and source context.