Largent, David L. How to identify mushrooms to genus II : field identification of Genera / by David L. Largent - Eureka, Calif. : Mad River Press, 1977 - v, 32 p. : 22 cm . Vol.1: Macroscopic features. vol.2: Field identification of genera References: p. 120-121 ISBN: 0916422097 0916422003 (vol.1) Subjects--Topical Terms: Mushrooms--Identification