Click on the image below to enlarge it and download a high-resolution
JPEG file. Joe F. Duft. USDA NRCS. 1992. Western wetland flora: Field office guide to plant species. West Region, Sacramento. Courtesy of USDA NRCS Wetland Science Institute. Usage Requirements.
See U.S. county distributions (when available) by clicking on the map or the linked states below: USA (AK, CA, IA, ID, MI, MN, MT, NV, OR, UT, WA, WI, WY), CAN (AB, BC, MB, NT, NU, ON, QC, SK, YT)
Threatened and Endangered Information: Ribeshudsonianum Richardson
This plant is listed by the U.S. federal government or a state. Common names are from state and federal lists.
Click on a place name to get a complete protected plant
list for that location.
The related entity italicized and indented above is listed by the U.S. federal government or a state. Common names are from state and federal lists. Click on a place
name to get a complete noxious weed list for that location,
or click here for a composite list of all
Federal and State Noxious Weeds.
The related entity italicized and indented above can be weedy or invasive according to the authoritative sources noted below. This plant
may be known by one or more common names in different
places, and some are listed above. Click on an acronym
to view each weed list, or click here for a
composite list of Weeds of the U.S.