Invasive species on the Refuge include:

ANNUAL RYE
CANADA THISTLE
CHEAT GRASS
FIELD BINDWEED
KOCHIA
COMMON MULLEIN
MUSK THISTLE
RUSSIAN KNAPWEED
RUSSIAN OLIVE
RUSSIAN THISTLE

Click above to learn more about each individual plants and their effect on the Refuge.

Photo Credit: Annette Casados, USFWS

For in-depth plant information
connect with the U.S. Dept Agriculture Plant Data Base

Last Updated: 9/5/08

Plants that do not grow naturally on this short grass prairie are called "invasive species."

INFORMATION from US Fish & Wildlife

INFORMATION from USGS

COLO SHORT GRASS PRAIRIE INITATIVE

SHORT GRASS PRAIRIE

GRASSLAND HABITAT by BLM

VOLUNTEER WEED
MAPPING PROGRAM