DISTRIBUTION AND OCCURRENCE
SPECIES: Lepidium latifolium | Perennial Pepperweed 



GENERAL DISTRIBUTION : 
Perennial pepperweed is an introduced forb of Eurasian origin that has
established in disjunct locations throughout the United States
[14,15,27].  It is found along the east coast from Massachusetts to Long
Island, New York.  It is also found in the central Great Plains, the
Intermountain region, the Pacific Northwest, California, and Mexico
[8,9,12,14,15].  Perennial pepperweed may also occur in eastern and
western Canada [24].


ECOSYSTEMS : 
   FRES29  Sagebrush
   FRES36  Mountain grasslands
   FRES37  Mountain meadows


STATES : 
     CA  CO  CT  ID  KS  MA  MT  NE  NV  NY
     ND  OR  RI  SD  UT  WA  WY  MEXICO


ADMINISTRATIVE UNITS : 
     GRTE


BLM PHYSIOGRAPHIC REGIONS : 
    3  Southern Pacific Border
    5  Columbia Plateau
    6  Upper Basin and Range
    8  Northern Rocky Mountains
    9  Middle Rocky Mountains
   10  Wyoming Basin
   11  Southern Rocky Mountains
   12  Colorado Plateau
   13  Rocky Mountain Piedmont
   14  Great Plains
   16  Upper Missouri Basin and Broken Lands


KUCHLER PLANT ASSOCIATIONS : 
NO-ENTRY


SAF COVER TYPES : 
NO-ENTRY


SRM (RANGELAND) COVER TYPES : 
NO-ENTRY


HABITAT TYPES AND PLANT COMMUNITIES : 
Perennial pepperweed occurs along beaches and tidal shores in California
and in riparian habitats of the Intermountain region [11,15,26].

Perennial pepperweed is found in basin big sagebrush (Artemisia
tridentata ssp. tridentata) communities of the Piceance Basin of
Colorado.  Plant associates in these communities include twisted moss
(Tortula ruralis) and desert goosefoot (Chenopodium pratericola) [2].

Perennial pepperweed occurs in indigobush (Amorpha fruticosa var.
angustifolia) communities east of the Cascades in Oregon and Washington.
Plant associates in these communities include sagebrush (Artemisia
spp.), knapweed (Centaurea spp.), reed canarygrass (Phalaris
arundinaceae), and willow (Salix spp.) [7].  Perennial pepperweed was
found in a marshy floodplain at Diamond Pond, Oregon.  Stands of
European and native weeds dominated the community.  Stinging nettle
(Urtica dioica) and perennial pepperweed were predominant with some
Canada thistle (Cirsium arvense), small-flowered willow-weed (Epilobium
minutum), short-rayed aster (Aster frondosus), and western goldenrod
(Solidago occidentalis) present [28].

Related categories for Species: Lepidium latifolium | Perennial Pepperweed