Calflora   Family Index   R
Below is a list of plant families, and a list of genera within each family in California.
Click on family name to search for species in that family, or click on genus name to search for species in that genus.
Radulacea Radula
Radulaceae Radula
Ramalinaceae Ramalina
Ranunculaceae Aconitum
Actaea
Adonis
Anemone
Aquilegia
Caltha
Clematis
Consolida
Coptis
Delphinium
Enemion
Myosurus
Nigella
Ranunculus
Thalictrum
Trautvetteria
Resedaceae Oligomeris Reseda
Rhabdoweisiaceae Amphidium
Rhabdoweissiaceae Hymenoloma
Rhamnaceae Adolphia
Ceanothus
Colubrina
Condalia
Frangula
Rhamnus
Ziziphus
Ricciaceae Riccia Ricciocarpos
Riellaceae Riella
Rosaceae Acaena
Adenostoma
Agrimonia
Amelanchier
Aphanes
Aruncus
Cercocarpus
Chamaebatia
Chamaebatiaria
Coleogyne
Comarum
Cotoneaster
Crataegus
Cydonia
Dasiphora
Drymocallis
Duchesnea
Eriobotrya
Fallugia
Filipendula
Fragaria
Geum
Heteromeles
Holodiscus
Horkelia
Horkeliella
Ivesia
Luetkea
Lyonothamnus
Malus
Neviusia
Oemleria
Peraphyllum
Petrophytum
Photinia
Physocarpus
Potentilla
Poteridium
Poterium
Prunus
Pseudocydonia
Purshia
Pyracantha
Pyrus
Quillaja
Rhaphiolepis
Rosa
Rubus
Sanguisorba
Sibbaldia
Sorbus
Spiraea
Rubiaceae Cephalanthus
Coprosma
Crucianella
Diodia
Galium
Kelloggia
Rubia
Sherardia
Ruppiaceae Ruppia
Ruscaceae Maianthemum Nolina
Rutaceae Cneoridium
Fortunella
Ptelea
Ruta
Thamnosma