Red clover--an interesting species for genecological studies.
D005075:Biological Evolution; D002875:Chromosomes; D003081:Cold Climate; D003433:Crosses, Genetic; D014644:Genetic Variation; D010788:Photosynthesis; D010944:Plants; D012621:Seasons; D012639:Seeds; D013045:Species Specificity; D013548:Sweden