Review: "A revision of Heterotheca sect. Phyllotheaca (Nutt.) harms (Compositae: Astereae)" by J. C. Semple
Nesom, Guy L
Article
1997
Phytologia
83
7--21
BioStor
English
Bronx Park, New York H.A. Gleason and H.N. Moldenke
BioStor: https://biostor.org/reference/167555