R

Rafinesquia californica (California chicory)
   Picture 1
   Picture 2

Ranunculus californicus (California buttercup)
   Picture 1

Raphanus sativus* (Wild radish)
   Picture 1

Rhamnus ilicifolia (Hollyleaf redberry)
   Picture 1

Rhus integrifolia (Lemonadeberry)
   Picture 1

Rhus ovata (Sugar bush)
   Picture 1

Ribes aureum (Golden current)
   Picture 1

Ribes malvaceum (Chaparral current)
   Picture 1
   Picture 2

Ribes speciosum (Fuchsia-flowered gooseberry)
   Picture 1

Ricinis communis* (Castor bean)
   Picture 1

Romneya coulteri (Matilija poppy)
   Picture 1
   Picture 2
   Picture 3
   Picture 4

Rorippa nasturtium-aquatica* (Water cress)
   Picture 1
   Picture 2

Rubus ursinus (California blackberry)
   Picture 1

Rumex crispus* (Curly dock)
   Picture 1
   Picture 2
   Picture 3