VASCULAR PLANTS OF UPPER NEWPORT BAY
UPPER BAY SPECIES WHOSE GENUS NAMES BEGIN WITH "R"
AS COMPILED BY ROBERT DE RUFF
# After a name indicates that the plant is a California Native
* After a name denotes that this is an older name, not one in use at this time
Family names in parenthesis are the new names as shown in
Roberts' 2008 Checklist of Vascular Plants of Orange County






































GENUS NAME FAMILY NAME














Rafinesquia californica # Asteraceae






Raphanus raphanistrum Brassicaceae






Raphanus raphanistrum x sativus Brassicaceae






Raphanus sativus Brassicaceae






Rauvolfia samarensis Apocynaceae






Rhagadiolus cretica* Asteraceae






Rhamnus alaternus Rhamnaceae






Rhus diversiloba* # Anacardiaceae






Rhus integrifolia # Anacardiaceae






Rhus laurina * # Anacardiaceae






Ricinus communis Euphorbiaceae






Rorippa nasturtium-aquaticum * Brassicaceae






Rosa californica # Rosaceae






Rosa species Rosaceae






Rosmarinus officinalis Lamiaceae






Rubus discolor Rosaceae






Rubus procerus * Rosaceae






Rubus ursinus # Rosaceae






Rumex conglomeratus Polygonaceae






Rumex crispus Polygonaceae






Rumex hymenosepalus # Polygonaceae






Rumex salicifolius var. denticulatus # Polygonaceae






Ruta graveolens Rutaceae