Cliffrose (Purshia) also commonly known as Bitterbrush, is a biological genus in the family Rosaceae (Roses) and order Rosales.
Purshia tridentata
Purshia X subintegra
Purshia ericifolia
Purshia mexicana
Agrimonia
Fallugia
Malus
Geum
Waldsteinia
Coleogyne
Rubus
Sanguisorba
Lyonothamnus
Adenostoma
Aronia
Photinia
Prunus
Potentilla
Purshia
Chamaebatiaria
Horkeliella
Malacomeles
Sorbaria
Spiraeanthus
Pyracantha
Chaenomeles
Crataegus
Alchemilla
Chamaerhodos
Eriobotrya
Chamaebatia
Sorbus
Dryas
Cercocarpus
Ivesia
Physocarpus
Holodiscus
Aphanes
Pyrus
Exochorda
Filipendula
Petrophytum
Vauquelinia
Amelanchier
Dasiphora
Neviusia
Fragaria
Heteromeles
Rosa