Terrell, Edward E. Caryopsis morphology and classification in the Triticeae (Pooideae:Poaceae) Edward E. Terrell and Paul M. Peterson. - Washington, D.C. Smithsonian Institution Press 1993. - iv, 25 p. ill. 28 cm. - Smithsonian contributions to botany no. 83 . Includes bibliographical references (p. 24-25). LCCN: 92047245 Subjects--Topical Terms: Grasses--Classification.Caryopses. LC Class. No.: QK1 QK495.G74 / .S2747 no. 83 Dewey Class. No.: 581 s 584/.93