The Flowering Plants and Ferns of Mount Diablo, California [Signed by both authors and inscribed by Ertter!]
Sacramento, CA: California Native Plant Society, 2002. Hardcover. Signed by both authors and inscribed by Ertter! Gilt stamped green cloth boards in dust jacket, octavo, illustrated in b&w. Book has handsome boards and tight binding, text clean bright and unmarked. DJ has hint of toning, now in archival mylar...