Berseem clover: Seeds photo from Al-Rehman Enterprises. https://alrehmanenterprises.weebly.com/
Birdsfoot trefoil: Seeds and flower photos from Ohio State University. https://hcs.osu.edu/
Black medic: Photos from NRCS plants database and Ohio State Univ. https://plants.usda.gov & https://hcs.osu.edu/
Common vetch: Photos from English Country Garden and Silver Falls Seed Company. https://www.silverfallsseed.com/seed/Ground-Cover-and-Erosion-Control-Seed/Vetch-Common.html
Hairy vetch: Photos from Noble Foundation and seeds from Ohio State Univ. https://www.noble.org/ & https://hcs.osu.edu/
White sweetclover: Photos from NRCS plants database. https://plants.usda.gov
Winter pea: Photos from Texas A&M University and NRCS plants database. https://forages.tamu.edu/ & https://plants.usda.gov