The new species, Haplopappus crispus and H. zionis of section Macronema, are formally described and illustrated. They are endemic to southern Utah. Also, H. bloomeri ssp. compactus is raised to species. Chromosome numbers of all three are n = 9. Aspects of anatomy are detailed. Comparisons are made to H. bloomeri and H. suffruticosus. Relationships are discussed, and a key to the species is given.
Anderson, Loran C.
"Haplopappus crispus and H. zionis (Asteradeae): new species from Utah,"
Great Basin Naturalist: Vol. 43
, Article 2.
Available at: https://scholarsarchive.byu.edu/gbn/vol43/iss2/2