Genus: FRANGULA  Family: RHAMNACEAE Source: USDA, NRCS. 2009. The PLANTS Database (http://plants.usda.gov, 24 June 2009). National Plant Data Center, Baton Rouge, LA 70874-4490 USA.

Genera of RHAMNACEAE Select a genus and click on Ok 1) Adolphia 2) Alphitonia 3) Auerodendron 4) Berchemia 5) Ceanothus 6) Colletia 7) Colubrina 8) Hybosperma 9) Condalia 10) Microrhamnus 11) Frangula 12) Rhamnus 13) Gouania 14) Banisteria 15) Hovenia 16) Karwinskia 17) Krugiodendron 18) Maesopsis 19) Paliurus 20) Reynosia 21) Sageretia 22) Smythea 23) Ziziphus 24) Condaliopsis 25) Sarcomphalus

TAXON	DISTRIB.	IMAGES
Frangula alnus Mill. Views: 2757.03 Tree, Shrub - Perennial glossy buckthorn Synonyms: = Rhamnus frangula L. = Rhamnus frangula L. ssp. columnaris hort. = Rhamnus frangula L. var. angustifolia Louden
Frangula betulifolia (Greene) V. Grub. Views: 181.52 Tree, Shrub - Perennial beechleaf frangula
Frangula betulifolia (Greene) V. Grub. ssp. betulifolia Views: 205.945 Tree, Shrub - Perennial beechleaf frangula Synonyms: = Rhamnus betulifolia Greene
Frangula betulifolia (Greene) V. Grub. ssp. obovata (Kearney & Peebles) Kartesz & Gandhi Views: 186.989 Tree - Perennial obovate buckthorn Synonyms: = Rhamnus betulifolia Greene var. obovata Kearney & Peebles
Frangula x blumeri (Greene) Kartesz & Gandhi (pro sp.) Views: 172.283 Tree, Shrub - Perennial Synonyms: = Rhamnus blumeri Greene
Frangula californica (Eschsch.) A. Gray Views: 158.484 Tree, Shrub - Perennial California buckthorn
Frangula californica (Eschsch.) A. Gray ssp. californica Views: 196.221 Tree, Shrub - Perennial California buckthorn Synonyms: = Rhamnus californica Eschsch. = Rhamnus californica Eschsch. ssp. californica
Frangula californica (Eschsch.) A. Gray ssp. crassifolia (Jeps.) Kartesz & Gandhi Views: 182.04 Tree, Shrub - Perennial California buckthorn Synonyms: = Rhamnus californica Eschsch. ssp. crassifolia (Jeps.) C.B. Wolf = Rhamnus tomentella Benth. ssp. crassifolia (Jeps.) J.O. Sawyer
Frangula californica (Eschsch.) A. Gray ssp. cuspidata (Greene) Kartesz & Gandhi Views: 207.215 Tree, Shrub - Perennial California buckthorn Synonyms: = Rhamnus californica Eschsch. ssp. cuspidata (Greene) C.B. Wolf = Rhamnus tomentella Benth. ssp. cuspidata (Greene) J.O. Sawyer
Frangula californica (Eschsch.) A. Gray ssp. occidentalis (Howell) Kartesz & Gandhi Views: 180.114 Tree, Shrub - Perennial California buckthorn Synonyms: = Rhamnus californica Eschsch. ssp. occidentalis (Howell) C.B. Wolf = Rhamnus californica Eschsch. var. occidentalis (Howell) Jeps.
Frangula californica (Eschsch.) A. Gray ssp. tomentella (Benth.) Kartesz & Gandhi Views: 194.313 Tree, Shrub - Perennial California buckthorn Synonyms: = Rhamnus californica Eschsch. ssp. tomentella (Benth.) C.B. Wolf = Rhamnus tomentella Benth. = Rhamnus tomentella Benth. ssp. tomentella
Frangula californica (Eschsch.) A. Gray ssp. ursina (Greene) Kartesz & Gandhi Views: 228.525 Tree, Shrub - Perennial California buckthorn Synonyms: = Rhamnus californica Eschsch. ssp. ursina (Greene) C.B. Wolf = Rhamnus californica Eschsch. var. ursina (Greene) McMinn = Rhamnus tomentella Benth. ssp. ursina (Greene) J.O. Sawyer
Frangula caroliniana (Walter) A. Gray Views: 253.595 Tree, Shrub - Perennial Carolina buckthorn Synonyms: = Rhamnus caroliniana Walter = Rhamnus caroliniana Walter var. mollis Fernald
Frangula purshiana (DC.) Cooper Views: 187.82 Tree, Shrub - Perennial Cascara buckthorn Synonyms: = Rhamnus purshiana DC.
Frangula rubra (Greene) V. Grub. Views: 176.908 Shrub - Perennial red buckthorn
Frangula rubra (Greene) V. Grub. ssp. modocensis (C.B. Wolf) Kartesz & Gandhi Views: 187.519 Shrub - Perennial Modoc buckthorn Synonyms: = Rhamnus rubra Greene ssp. modocensis C.B. Wolf
Frangula rubra (Greene) V. Grub. ssp. nevadensis (A. Nelson) Kartesz & Gandhi Views: 183.806 Shrub - Perennial Nevada buckthorn Synonyms: = Rhamnus rubra Greene ssp. nevadensis (A. Nelson) C.B. Wolf
Frangula rubra (Greene) V. Grub. ssp. obtusissima (Greene) Kartesz & Gandhi Views: 191.639 Shrub - Perennial obtuse buckthorn Synonyms: = Rhamnus rubra Greene ssp. obtusissima (Greene) C.B. Wolf
Frangula rubra (Greene) V. Grub. ssp. rubra Views: 205.886 Shrub - Perennial red buckthorn Synonyms: = Rhamnus rubra Greene
Frangula rubra (Greene) V. Grub. ssp. yosemitana (C.B. Wolf) Kartesz & Gandhi Views: 195.075 Shrub - Perennial Yosemite buckthorn Synonyms: = Rhamnus rubra Greene ssp. yosemitana C.B. Wolf
Frangula sphaerosperma (Sw.) Kartesz & Gandhi Views: 181.46 Tree, Shrub - Perennial West Indian buckthorn
Frangula sphaerosperma (Sw.) Kartesz & Gandhi ssp. longipes (M.C. Johnston & L.A. Johnston) Kartesz & Gandhi Views: 203.091 Tree, Shrub - Perennial West Indian buckthorn Synonyms: = Rhamnus sphaerosperma Sw. var. longipes M.C. Johnston & L.A. Johnston

More genera: Frankenia Franklinia Frasera Fraxinus Freesia Fremontodendron Freycinetia Friesodielsia Fritillaria Froelichia Frullania Frullanoides