Verbatim text: Nesom, G. L. 1990g. Taxonomy of the Erigeron coronarius group of Erigeron sect. Geniculactis (Asteraceae: Astereae). Phytologia 69: 237–253.
Author: Nesom, G.L.
Year: 1990g
Title: Taxonomy of the Erigeron coronarius group of Erigeron sect. Geniculactis (Asteraceae: Astereae)
Journal: Phytologia
Volume: 69
Pages: 237–253