Lobivia densispina (Werderm.) Buining Dataset International Plant Names Index Rank SPECIES Published in Kakteen And. Sukk. xv. 25 (1964). Classification kingdom Plantae family Cactaceae species Lobivia densispina Name Homonyms Lobivia densispina Werderm. ex Backeb. & F.M.Knuth, 1936 Lobivia densispina Harden, 1935 Lobivia densispina (Werderm.) Buining