Hitchcock, A. S.
Manual of the Grasses of the United States Volume two - 2 nd - New York Dover Publications, Inc. 1971 - 570-1051
Botany UNITED STATES GRASSES GRAMINEAE POACEAE
Manual of the Grasses of the United States Volume two - 2 nd - New York Dover Publications, Inc. 1971 - 570-1051
Botany UNITED STATES GRASSES GRAMINEAE POACEAE