Verbatim text: Stebbins, G.L., Jr. and L.A. Snyder. 1956. Artificial and natural hybrids in the Gramineae, tribe Hordeae: IX. Hybrids between the western and eastern species. Amer. J. Bot. 43:305-312
Author: Stebbins, G.L., Jr., Snyder, L.A.
Year: 1956
Title: Artificial and natural hybrids in the Gramineae, tribe Hordeae: IX. Hybrids between the western and eastern species
Journal: Amer. J. Bot
Volume: 43
Pages: 305–312