en.wikipedia.org
en.wikipedia.org
gobotany.nativeplanttrust.org
turf.purdue.edu
Purdue University Turfgrass Science
https://turf.purdue.edu › smooth-crabgrass
minnesotawildflowers.info
Minnesota Wildflowers
https://minnesotawildflowers.info › grass-sedge-rush › smooth-crabgrass
illinoiswildflowers.info
Illinois Wildflowers
https://www.illinoiswildflowers.info › grasses › plants › sm_crabgrass.htm
weedid.missouri.edu
powo.science.kew.org
Plants of the World Online
https://powo.science.kew.org › taxon › urn:lsid:ipni.org:names:398891-1 › general-information
plants.ces.ncsu.edu
North Carolina Extension Gardener Plant Toolbox
https://plants.ces.ncsu.edu › plants › digitaria-ischaemum
inaturalist.org
openherbarium.org
openherbarium.org
https://openherbarium.org › taxa › index.php?taxon=239918&clid=135
Help us improve DuckDuckGo searches with your feedback