1997 IUCN red list of threatened plants (1997)

Allan Hancock Pacific expeditions. [Reports] - Allan Hancock Foundation. (University of Southern California Press, 1946)

American plants ... [Descriptions, bibliographical notes, synonymy, and other information, comp. from many sources] - Orcutt, Charles Russell, 1864 -1929 (1907)

Annotated list of the wild flowers of California - Kennedy, Patrick Beveridge, 1874 -1930 (Levison Print. Co, 1917)

Annuaire du Conservatoire et du jardin botaniques de Genève - Conservatoire et jardin botaniques de la ville de Genève. (Conservatoire botanique, 1905)

Botany - Gray, Asa, 1810 -1888 (John Wilson and Son, 1880)

Botany - Gray, Asa, 1810 -1888 (Welch, Bigelow, University Press, 1876)

Bulletin of the California Academy of Sciences - California Academy of Sciences (The Academy], 1886)

Bulletin of the California Academy of Sciences - California Academy of Sciences (The Academy], 1886)

California art & nature (1902)

Compositae of southern California - Hall, Harvey Monroe, 1874 -1932 (The University Press, 1907)

Compositae of southern California - Hall, Harvey Monroe, 1874 -1932 (The University Press, 1907)

Contributions in science - Los Angeles County Museum of Natural History. (The Museum, 1985)

Contributions in science - Los Angeles County Museum of Natural History. (The Museum, 1985)

Contributions in science - Los Angeles County Museum of Natural History. (The Museum, 1985)

Contributions in science - Los Angeles County Museum of Natural History. (The Museum, 1985)

A flora of Hollister Ranch, Santa Barbara County, California - Fletcher, Martin (The Herbarium, Department of Biological Sciences, University of California, Santa Barbara, 1983)

Flora of the Santa Barbara Islands - Brandegee, Townshend Stith, 1843 -1925 (1888)

An illustrated flora of the Pacific States: Washington, Oregon, and California - Abrams, Le Roy, 1874 -1956 (Stanford University Press, 1960)

Leaflets of western botany - Eastwood, Alice, 1859 -1953 ([J. T. Howell], 1941)

Leaflets of western botany - Eastwood, Alice, 1859 -1953 ([J. T. Howell], 1932)

Madroño; a West American journal of botany - California Botanical Society. (California Botanical Society, 1972)

Madroño; a West American journal of botany - California Botanical Society. (California Botanical Society, 1981)

A manual of the flowering plants of California - Jepson, Willis Linn, 1867 -1946 (Sather Gate Bookshop, 1925)

Michigan botanist - Michigan Botanical Club. (Michigan Botanical Club, 1967)

Michigan botanist - Michigan Botanical Club. (Michigan Botanical Club, 1965)

Nomenclator fungorum : exhibens ordine alphabetico nomina tam generica quam specifica, ac synonyma a scriptoribus de scientia botanica fungis imposita - Streinz, Wenzel M. (Wenzel Matern), 1792 -1876 (C. Gorischek, 1862)

Das Pflanzenreich :regni vegetablilis conspectus - Engler, Adolf, 1844 -1930 (W. Engelmann, 1922)

Proceedings of the Biological Society of Washington - Smithsonian Institution (Biological Society of Washington, 1900)

Proceedings of the Biological Society of Washington - Smithsonian Institution (Biological Society of Washington, 1899)

Proceedings of the Biological Society of Washington - Smithsonian Institution (Biological Society of Washington, 1899)

Smithsonian miscellaneous collections - Smithsonian Institution (Smithsonian Institution, 1886)

Synoptical flora of North America: the Gamopetalæ, being a second edition of vol. I, part II, and vol. II, part I, collected - Gray, Asa, 1810 -1888 (Iverson, Blakeman, Taylor, and Company, 1886)

Synoptical flora of North America: the Gamopetalæ, being a second edition of vol. I, part II, and vol. II, part I, collected - Gray, Asa, 1810 -1888 (Iverson, Blakeman, Taylor, and Company, 1886)

Zoe:a biological journal (Zoe Publishing Co, 1890)