Weishaupt, Clara G
A descriptive key to the grasses of Ohio based on vegetative characters / Clara G. Weishaupt. -- 7-1-Descriptive key to the grasses of Ohio based on vegetative characters (1985). -- Columbus, Ohio : Ohio State University Press, 1985. -- v, 99 s. : il. -- Terminologický slovník. -- ISBN : 0-86727-098-5 (brož.).
trávy. systematická botanika. Ohio. klíče
582.542. (737.1). (084)