Dysopsis is a genus ofherbaceous plants; it was previously conformed by two species, D. hirsuta and D. glechomoides. The last one species was previously divided in two subspecies, D. glechomoides subsp. glechomoides and D. glechomoides subsp. paucidentata. Now, D. glechomoides subsp. paucidentata is consider as another species of the genus Dysopsis, this consideration is based on lamina and staminate flower characters. A key is presented for the species, and also a description of each taxon and comments ofmorphologic and reproductive variation.