Vascular Plants
Includes all flowering plants, conifers, ferns and fern-allies.
Genus names beginning with R:
26 genera
135 species
43 subspecies and varieties
135 species
43 subspecies and varieties
Show only taxa with photos
Rainiera – rainiera (1 species)
Ranunculus – buttercup (30 species)
Ranunculus – crowfoot (30 species)
Ranunculus – water-buttercup (30 species)
Raphanus – radish (2 species)
Ratibida – prairie coneflower (0 species)
Ratibida – Mexican-hat (0 species)
Redfieldia (1 species)
Reseda – mignonette (2 species)
Rhamnus – buckthorn (2 species)
Rhamnus – cascara (2 species)
Rhaponticum – hardheads (1 species)
Rhaponticum – maral root (1 species)
Rheum – rhubarb (1 species)
Rhinanthus – rattle-box (1 species)
Rhinanthus – yellow rattle (1 species)
Rhodiola – roseroot (1 species)
Rhododendron – azalea (6 species)
Rhododendron – Labrador-tea (6 species)
Rhododendron – menziesia (6 species)
Rhododendron – rhododendron (6 species)
Rhus – sumac (2 species)
Rhynchospora – beakrush (1 species)
Ribes – currant (21 species)
Ribes – gooseberry (21 species)
Rigiopappus (1 species)
Robinia – locust (2 species)
Romanzoffia – mistmaiden (2 species)
Romanzoffia – romanzoffia (2 species)
Rorippa – yellowcress (9 species)
Rosa – rose (8 species)
Rotala – rotala (1 species)
Rotala – toothcup (1 species)
Rubus – blackberry (17 species)
Rubus – bramble (17 species)
Rubus – raspberry (17 species)
Rudbeckia – coneflower (4 species)
Rudbeckia – rudbeckia (4 species)
Rumex – dock (16 species)
Rumex – sorrel (16 species)
Rupertia – scurfpea (1 species)
Rupertia – California tea (1 species)
Ruppia – ditch-grass (1 species)
