Explore 62,425 Species
Fuchsiaflower Gooseberry
Ribes speciosum Pursh
Ribes speciosum is a spiny bristle-stemmed shrub grown as an ornamental for drou…
Downy Currant
Ribes spicatum E.Robson
Ribes spicatum is an edible-berry shrub native to northern Europe and Asia, dist…
northern redcurrant
Ribes triste Pall.
Ribes triste Pall. is a sour red currant species native to North America and eas…
European gooseberry
Ribes uva-crispa L.
Ribes uva-crispa L., the gooseberry, is a spiny berry bush native to Eurasia and…
desert gooseberry
Ribes velutinum Greene
Ribes velutinum is a spiny desert shrub of the western US that produces dry, unp…
sticky currant
Ribes viscosissimum Pursh
Ribes viscosissimum Pursh is a spinedless perennial dicot native to western Nort…
Wolf's Currant
Ribes wolfii Rothr.
Ribes wolfii is an edible-berried shrub with a disjunct distribution in western …
Jagged Germanderwort
Riccardia chamedryfolia (With.) Grolle
Riccardia chamedryfolia (jagged germanderwort) is a liverwort widely used as an …
Cavernous Crystalwort
Riccia cavernosa Hoffm.
Riccia cavernosa Hoffm. is a small liverwort that grows in moist open, base-rich…
Floating Crystalwort
Riccia fluitans L.
Riccia fluitans, or floating crystalwort, is a common floating aquatic liverwort…
fringed heartwort
Ricciocarpos natans (L.) Corda
Ricciocarpos natans, the only species in genus Ricciocarpos, is a globally distr…
Tropical Mexican Clover
Richardia brasiliensis Gomes
Richardia brasiliensis is a flowering plant native to South America that is inva…
largeflower Mexican clover
Richardia grandiflora (Cham. & Schltdl.) Steud.
Richardia grandiflora is a South American Rubiaceae species used as ground cover…
Florida Pusley
Richardia scabra L.
Richardia scabra L. is a small flowering plant found in various open and woodlan…
Wedding Bush
Ricinocarpos pinifolius Desf.
Ricinocarpos pinifolius is a small spiny-fruited Australian shrub that grows in …
castor bean
Ricinus communis L.
Ricinus communis (castor oil plant) is a species with decorative, commercial, an…
wirestem
Rigiopappus leptocladus A.Gray
Rigiopappus leptocladus, sometimes called wireweed, is the only species in the R…
Supplejack
Ripogonum scandens J.R.Forst. & G.Forst.
Ripogonum scandens, or supplejack, is an endemic New Zealand evergreen climbing …
pigeonberry
Rivina humilis L.
Rivina humilis (pigeonberry) is an evergreen perennial herb grown ornamentally a…
Bristly locust
Robinia hispida L.
Robinia hispida L. is a deciduous bristly-stemmed shrub, with one low-density wo…
New Mexico locust
Robinia neomexicana A.Gray
Robinia neomexicana is a bristly locust native to the US Southwest and northern …
black locust
Robinia pseudoacacia L.
Robinia pseudoacacia L. (black locust) is a nitrogen-fixing legume tree native t…
Prickly Poppy
Roemeria argemone (L.) C.Morales, R.Mend. & Romero García
Roemeria argemone is an annual flowering pale poppy native to parts of Africa, E…
rough poppy
Roemeria hispida Stace
Roemeria sicula (rough poppy) is a widespread flowering poppy species, a minor c…