Pterogonum atrorubens (Engelm.) H.Gross in Bot. Jahrb. Syst. 49: 239. 1913
Pterogonum atrorubens in Bot. Jahrb. Syst. 49: 239. 1913
is new combination for Eriogonum atrorubens, Mem. Tour N. Mexico: 108. 1848
Pterogonum atrorubens in Bot. Jahrb. Syst. 49: 239. 1913