en.wikipedia.org
en.wikipedia.org
gobotany.nativeplanttrust.org
plants.usda.gov
USDA Plants Database
https://plants.usda.gov › DocumentLibrary › factsheet › pdf › fs_arel3.pdf
wildlifetrusts.org
cabidigitallibrary.org
CABI Digital Library
https://www.cabidigitallibrary.org › doi › 10.1079 › cabicompendium.7065
powo.science.kew.org
Plants of the World Online
https://powo.science.kew.org › taxon › urn:lsid:ipni.org:names:389923-1
plants.ces.ncsu.edu
North Carolina Extension Gardener Plant Toolbox
https://plants.ces.ncsu.edu › plants › arrhenatherum-elatius-subsp-bulbosum
calflora.org
botanicalrealm.com
floranorthamerica.org
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