en.wikipedia.org
en.wikipedia.org
gardeningknowhow.com
extension.msstate.edu
Mississippi State University Extension Service
https://extension.msstate.edu › content › button-clover-medicago-orbicularis
maltawildplants.com
Online flora of Malta
https://maltawildplants.com › FABC › Medicago_orbicularis.php
powo.science.kew.org
Plants of the World Online
https://powo.science.kew.org › taxon › urn:lsid:ipni.org:names:506322-1
calflora.org
inaturalist.org
earthone.io
gbif.org
cabidigitallibrary.org
CABI Digital Library
https://www.cabidigitallibrary.org › doi › 10.1079 › cabicompendium.115527
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