Verbatim text: Johnson, B.L. 1963. Natural hybrids between Oryzopsis and Stipa: III. Oryzopsis hymenoides x Stipa pinetorum. Amer. J. Bot. 50:228-234
Author: Johnson, B.L.
Year: 1963
Title: Natural hybrids between Oryzopsis and Stipa: III. Oryzopsis hymenoides x Stipa pinetorum
Journal: Amer. J. Bot
Volume: 50
Pages: 228–234