Mackensen’s Pricklypear

Rose, Contributions from the U.S. National Herbarium 13: 310, 1911 Holotype; Isotype; Isotype; Herbarium; Herbarium; Herbarium; Herbarium; Herbarium (as O. roseana); Herbarium (as O. roseana); Painting; Photograph; Photograph Original Citation What is Opuntia mackensenii? Opuntia mackensenii is a prickly pear cactus found in northern Texas and adjacent areas. Many specimens have tuberous roots. It can be mistaken as […]