Seed identification manual
Alexander C. Martin, William D. Barkley (ผู้แต่ง)
Seed identification reference tool including over 600 seed species, arranged under three major headings: farmlands, wetlands, and woodlands. Includes photographs, drawings, and physical descriptions
หนังสืออิเล็กทรอนิกส์, English, 1961
University of California Press, Berkeley, 1961