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2. Systematics of Nama (Hydrophyllaceae): seed coat morphology of Lemmonia californica and Nama species allied with Nama demissum;Bacon;Aliso,1987
3. Seed coat morphology of Draperia systyla (Hydrophyllaceae) and its importance to the systematics of Nama;Bacon;Sida,1989
4. Systematics of Nama (Hydrophyllaceae): comparison of seed morphology of sects;Bacon;Arachnoidea and Cinerascentia with five species of Eriodictyon and Turricula parryt. Sida,1986
5. Biosystematics of the genus Hydrophyllum L. (Hydrophyllaceae);Beckmann;A merican Journal of Botany,1979