Membership Directory / The American Society of Plant Taxonomists. - S. l. : S. n., s. a. - v. 1994 (70 p.) 1988 (114 p.) ; 1991 (113 p.) ; 1992 (110 p.) ; 1993 (122 p.) ; Subjects--Corporate Names: American Society of Plant Taxonomists--Membership--Directories Subjects--Topical Terms: Plants