TY - BOOK AU - Hitchcock,A.S. AU - Hitchcock,A.S. ED - United States. TI - Key to the native perennial grasses,: midwest region east of the Great Plains T2 - [United States. Soil Conservation Service] SCS-TP PY - 1968/// CY - [Washington] PB - U.S. Soil Conservation Service KW - Grasses KW - United States KW - Gramineae KW - Gt. Plains KW - Botany N1 - Cover title; Compiled by the plant scientists at the Midwest Regional Technical Service Center, Soil Conservation Service, Lincoln, Neb ER -