Trifolium dubium (Lesser Trefoil) is a species of annual herb in the family Fabaceae. They have a self-supporting growth form. They are associated with freshwater habitat. They are native to Switzerland, Bulgaria, Lithuania, Italy, Germany, Yugoslavia, Israel, Tunisia, Hungary, Romania, Russia, Latvia, Portugal, Sweden, Cyprus, United Kingdom, Austria, Greece, Ireland, Ukraine, Albania, Norway, Denmark, Belarus, Belgium, Spain, Morocco, The Netherlands, Turkey, Poland, France, and Czech Republic. They have compound, broad leaves. Flowers are visited by NO NAME!, Meliscaeva auricollis, NO NAME!, and Halictus confusus. Individuals can grow to 0.2 m.
EOL has data for 31 attributes, including: