NATIVE WOODY PLANTS OF THE UNITED STATES 
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Berberis nervosa Pursh. (pi. 1, B). Oregon-grape. 
Mahonia nervosa (Pursh) Nutt, Odostemon twrvosus Rydb. 
Range : 1, 2, 4, 12. 
Site: Dry, well-drained, sun, shade. 
Fruit : Berry, available July-August. 
A small evergreen shrub ; flowers May- June ; spreads by creeping rootstocks 
to form thickets ; resistant to black stem rust. 
Observations: Rocky Mountain black-tailed deer. 
Berberis nevinii Gray. Nevin hoUygrape. 
Mahonia nevinii (Gray) Fedde, Odostemon nevinii (Gray) Abrams. 
Range: 4, 5, 10. 
Site : Dry, well-drained, sun. 
Fruit : Berry. 
A small to large evergreen shrub; occurs on sand, clay loam, and other 
soils ; at first loosely branched, later more compact ; root system shallow ; 
drought resistant ; rare and local ; susceptible to black stem rust. 
Berberis pinnata Lag. Wavyleaf hollygrape. 
Mahonia innnata Fedde, Mahonia fascicularis DC, Odostemon faseicularis 
(DC.) Abrams. 
Range : 1, 3, 5. 
Site : Dry, well-drained, sun. 
Fruit: Berry. 
A small to large evergreen shrub with thick foliage; preliminary tests indi- 
cate that this species is resistant to black stem rust. Of some importance as a 
honey plant. 
Berberis pumila Greene. Dwarf hollygrape. 
Mahonia pumila (Greene) Fedde, Odostemon pumilus Heller. 
Range: 4. 
Site : Well-drained, sun. 
Fruit : Berry. 
A small evergreen shrub; occurs from 3,000-5,000 feet; susceptibility to 
attack of black stem rust uncertain, although apparently resistant. 
Berberis repens Lindl. Creeping hollygrape. 
Odostemon repens (Lindl.) Cockerell, Mahonia repens (Lindl.) Don, Ber- 
ieris nana Greene. 
Range : 4, 5, 7, 9, 11, 12, 13, 14, 15, 16. 
Site: Dry, well-drained, sun, shade. 
Fruit: Berry, available in September. 
A small evergreen shrub ; flowers in May ; the rhizomes produce shoots and 
deep roots at intervals ; resistant to black stem rust. 
Stomach records: Black-tailed deer, plains white-tailed deer. Reputed to be 
poisonous to stock but probably not very seriously so. 
Berberis sinensis, see Berderis thunhergii. 
Berberis swaseyi Buckl. Blue agarita. 
Mahonia swaseyi Fedde. 
Range: 16. 
Site : Dry, well-drained, sun. 
Fruit : Berry, available May-June. 
A small evergreen shrub ; flowers in May ; grows on many soils, including 
limestone ; resistant to cold and drought ; berries large, borne abundantly almost 
every year ; very ornamental ; a good hedge plant ; susceptible to black stem rust. 
Berberis thunbergii DC. Tliunberg barberry. 
B. japonica, B. sinensis of some. 
Range : 1, 2, 4, 21, 23, 24, 25, 27, 28, 29. 
Site: Well-drained, sun. 
Fruit: Berry; available in August, persistent all year round. 
A small to large, somewhat straggling, spiny shrub; native of Japan, but 
more or less naturalized in the regions indicated ; evergreen southward ; grows 
in many kinds of soils ; has not demonstrated its ability to compete with native 
vegetation, including grasses ; on dry banks has been repeatedly observed to die 
