Families, genera and species in

North America


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

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Pictures: genus Purshia (North America):

Purshia glandulosa - North America
Purshia glandulosa
Steve Hurst - USDA-NRCS PLANTS Database - Not copyrighted image - Views: 105

Purshia tridentata - North America
Purshia tridentata
USDA-NRCS PLANTS Database - Not copyrighted image - Views: 151

Purshia tridentata - North America
Purshia tridentata
Ralph C. Holmgren - USDA-NRCS PLANTS Database - Not copyrighted image - Views: 160

Purshia tridentata - North America
Purshia tridentata
USDA-NRCS PLANTS Database - Not copyrighted image - Views: 151