Explore 62,425 Species
Thread-leaved Water-crowfoot
Ranunculus trichophyllus Chaix
Ranunculus trichophyllus is a Northern Hemisphere aquatic buttercup with white f…
woodland buttercup
Ranunculus uncinatus D.Don ex G.Don
Ranunculus uncinatus D.Don ex G.Don is a yellow-flowered perennial herb found in…
Ranunculus verticillatus Kirk
Ranunculus verticillatus Kirk
Ranunculus verticillatus is a yellow-flowered wetland plant endemic to New Zeala…
Golden scabweed
Raoulia australis Hook.fil. ex Raoul
Raoulia australis is a New Zealand native flowering Asteraceae plant used as gro…
Smooth Mat Daisy
Raoulia glabra Hook.fil.
Raoulia glabra Hook.fil. is a creeping mat-forming shrub native to New Zealand, …
large-flowered mat daisy
Raoulia grandiflora Hook.fil.
Raoulia grandiflora Hook.fil. is a small cushion or mat-forming white-flowered N…
Scabweed mat daisy
Raoulia hookeri Allan
Raoulia hookeri is a small mat-forming New Zealand alpine perennial with silver …
mat daisy
Raoulia tenuicaulis Hook.fil.
Raoulia tenuicaulis is a small mat-forming shrub native to New Zealand that grow…
Wild radish
Raphanus raphanistrum L.
Raphanus raphanistrum L., or wild radish, is an edible annual plant native to pa…
Raphanus sativus L.
Raphanus sativus L.
Raphanus sativus (radish) is an edible cool-season brassica crop grown for its v…
Steppe Cabbage
Rapistrum perenne (L.) All.
Rapistrum perenne, or perennial bastard cabbage, is a mustard-family flowering p…
annual bastard cabbage
Rapistrum rugosum (L.) All.
Rapistrum rugosum is an invasive annual mustard-family herb native to Eurasia an…
upright prairie coneflower
Ratibida columnifera (Nutt.) Wooton & Standl.
Ratibida columnifera, prairie coneflower, is a North American native plant value…
grey-headed coneflower
Ratibida pinnata (Vent.) Barnhart
Ratibida pinnata is a hardy North American perennial Asteraceae grown ornamental…
Raukaua anomalus (Hook.) A.D.Mitch., Frodin & Heads
Raukaua anomalus (Hook.) A.D.Mitch., Frodin & Heads
Raukaua anomalus is a New Zealand native shrub found across the country in lowla…
Raukawa
Raukaua edgerleyi (Hook.fil.) Seem.
Raukaua edgerleyi is a New Zealand-native plant species found in Westland Distri…
Haumakāroa
Raukaua simplex (G.Forst.) A.D.Mitch., Frodin & Heads
Raukaua simplex is a heteroblastic New Zealand shrub or small tree reaching 8m t…
Be Still Tree
Rauvolfia tetraphylla L.
Rauvolfia tetraphylla is an Apocynaceae bush/small tree native to the Americas, …
Common Devil Pepper
Rauvolfia verticillata (Lour.) Baill.
Rauvolfia verticillata is an Asian shrub or small tree widely used in traditiona…
Hemisphaeric Liverwort
Reboulia hemisphaerica (L.) Raddi
Reboulia hemisphaerica is the only accepted liverwort species in genus Reboulia,…
brighteyes
Reichardia picroides (L.) Roth
Reichardia picroides is a Mediterranean-native Asteraceae species whose Cretan l…
False Sow-thistle
Reichardia tingitana (L.) Roth
Reichardia tingitana is an annual yellow-flowered herb used in Middle Eastern fo…
white mignonette
Reseda alba L.
Reseda alba, white mignonette, is a flowering herb native to Eurasia and North A…
Wild Mignonette
Reseda lutea L.
Reseda lutea, yellow wild mignonette, is a fragrant herb used for yellow dye, na…