1997 IUCN red list of threatened plants (1997)

Acta Botánica Mexicana - Instituto de Ecología, A C. (Instituto de Ecología, A C, 2017)

Agriculture handbook - United States. Office of Experiment Stations. (U.S. Dept. of Agriculture, 1960)

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

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)

Annals of the Missouri Botanical Garden - Missouri Botanical Garden. (Missouri Botanical Garden Press, 2005)

Annals of the Missouri Botanical Garden - Missouri Botanical Garden. (Missouri Botanical Garden Press, 2005)

Annals of the Missouri Botanical Garden - Missouri Botanical Garden. (Missouri Botanical Garden Press, 2005)

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

Botanical gazette ([publisher not identified], 1886)

Botanical gazette ([publisher not identified], 1903)

Botanical resources at Emma Wood State Beach and the Ventura River Estuary, California : inventory and management : report to the State of California Department of Parks and Recreation - Ferren, Wayne R. (Herbarium, Dept. of Biological Sciences, University of California, Santa Barbara, 1990)

Botanical resources at Emma Wood State Beach and the Ventura River Estuary, California : inventory and management : report to the State of California Department of Parks and Recreation - Ferren, Wayne R. (Herbarium, Dept. of Biological Sciences, University of California, Santa Barbara, 1990)

Botanical resources at Emma Wood State Beach and the Ventura River Estuary, California : inventory and management : report to the State of California Department of Parks and Recreation - Ferren, Wayne R. (Herbarium, Dept. of Biological Sciences, University of California, Santa Barbara, 1990)

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

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

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

Bulletin of the Southern California Academy of Sciences - Southern California Academy of Sciences. (The Academy, 1902)

Bulletin of the Southern California Academy of Sciences - Southern California Academy of Sciences. (The Academy, 1902)

Bulletin of the Southern California Academy of Sciences - Southern California Academy of Sciences. (The Academy, 1913)

Bulletin of the Southern California Academy of Sciences - Southern California Academy of Sciences. (The Academy, 1913)

California art & nature (1902)

The Channel Islands of California : a book for the angler, sportsman, and tourist - Holder, Charles Frederick, 1851 -1915 (Hodder and Stoughton, 1910)

Contributions from the United States National Herbarium - United States. National Herbarium. (Smithsonian Institution Press, 1890)

Contributions from the United States National Herbarium - United States. National Herbarium. (Smithsonian Institution Press, 1890)

Contributions from the United States National Herbarium - United States. National Herbarium. (Smithsonian Institution Press, 1890)

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)

Correspondence : Parry (Charles Christopher) and Engelmann (George), 1851-1884 - Engelmann, George, 1809 -1884 (1881)

Crossosoma - Southern California Botanists. (Southern California Botanists, Rancho Santa Ana Botanic Garden, 1988)

Crossosoma - Southern California Botanists. (Southern California Botanists, Rancho Santa Ana Botanic Garden, 1989)

Crossosoma - Southern California Botanists. (Southern California Botanists, Rancho Santa Ana Botanic Garden, 1989)

Crossosoma - Southern California Botanists. (Southern California Botanists, Rancho Santa Ana Botanic Garden, 1990)

Crossosoma - Southern California Botanists. (Southern California Botanists, Rancho Santa Ana Botanic Garden, 2012)

Crossosoma - Southern California Botanists. (Southern California Botanists, Rancho Santa Ana Botanic Garden, 2012)

Crossosoma - Southern California Botanists. (Southern California Botanists, Rancho Santa Ana Botanic Garden, 2012)

Crossosoma - Southern California Botanists. (Southern California Botanists, Rancho Santa Ana Botanic Garden, 2012)

Crossosoma - Southern California Botanists. (Southern California Botanists, Rancho Santa Ana Botanic Garden, 2012)

Crossosoma - Southern California Botanists. (Southern California Botanists, Rancho Santa Ana Botanic Garden, 2012)

Crossosoma - Southern California Botanists. (Southern California Botanists, Rancho Santa Ana Botanic Garden, 2012)

Flora of Los Angeles and vicinity - Abrams, Le Roy, 1874 -1956 (Stanford University Press, 1904)

Flora of Los Angeles and vicinity - Abrams, Le Roy, 1874 -1956 (Stanford University Press, 1904)

Flora of Los Angeles and vicinity - Abrams, Le Roy, 1874 -1956 (1917)

Flora of Los Angeles and vicinity - Abrams, Le Roy, 1874 -1956 (Stanford University Press, 1911)

A flora of California - Jepson, Willis Linn, 1867 -1946 (Cunningham, Curtis & Welch, 1909)

A flora of California - Jepson, Willis Linn, 1867 -1946 (Cunningham, Curtis & Welch, 1909)

Flora of southern and Lower California : a check-list of the flowering plants and ferns - Orcutt, Charles Russell, 1864 -1929 ([s.n.], 1885)

Flora of southern and Lower California. A check-list of the flowering plants and ferns - Orcutt, Charles Russell, 1864 -1929 (1885)

An illustrated flora of the Pacific States: Washington, Oregon, and California - Abrams, Le Roy, 1874 -1956 (Stanford University Press, 1944)

An illustrated flora of the Pacific States: Washington, Oregon, and California - Abrams, Le Roy, 1874 -1956 (Stanford University Press, 1944)

Just's Botanischer Jahresbericht - Just, Johann Leopold, 1841 -1891 (Gebruder Borntraeger, 1890)

Just's Botanischer Jahresbericht - Just, Johann Leopold, 1841 -1891 (Gebruder Borntraeger, 1890)

Just's Botanischer Jahresbericht - Just, Johann Leopold, 1841 -1891 (Gebruder Borntraeger, 1893)

Just's Botanischer Jahresbericht - Just, Johann Leopold, 1841 -1891 (Gebruder Borntraeger, 1893)

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

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, 1972)

Madroño; a West American journal of botany - California Botanical Society. (California Botanical Society, 1979)

Madroño; a West American journal of botany - California Botanical Society. (California Botanical Society, 2002)

Memoirs of the California Academy of Sciences - California Academy of Sciences (The Academy, 1996)

Memoirs of the California Academy of Sciences - California Academy of Sciences (The Academy, 1996)

Memoirs of the California Academy of Sciences - California Academy of Sciences (The Academy, 1996)

Memoirs of the California Academy of Sciences - California Academy of Sciences (The Academy, 1996)

Memoirs of the California Academy of Sciences - California Academy of Sciences (The Academy, 1996)

Die Natürlichen Pflanzenfamilien nebst ihren Gattungen und wichtigeren Arten, insbesondere den Nutzpflanzen, unter Mitwirkung zahlreicher hervorragender Fachgelehrten begründet - Engler, Adolf, 1844 -1930 (W. Engelmann, 1887)

Die Natürlichen Pflanzenfamilien nebst ihren Gattungen und wichtigeren Arten, insbesondere den Nutzpflanzen, unter Mitwirkung zahlreicher hervorragender Fachgelehrten begründet - Engler, Adolf, 1844 -1930 (W. Engelmann, 1887)

North American flora - New York Botanical Garden (New York Botanical Garden, 1916)

Occasional papers - San Diego Society of Natural History. (San Diego Society of Natural History, 1949)

Occasional papers - San Diego Society of Natural History. (San Diego Society of Natural History, 1949)

Phytogeographic survey of North America. A consideration of the phytogeography of the North American continent, including Mexico, Central America and the West Indies, together with the evolution of North American plant distribution - Harshberger, John W. (John William), 1869 -1929 (W. Engelmann, 1911)

Phytogeographic survey of North America. A consideration of the phytogeography of the North American continent, including Mexico, Central America and the West Indies, together with the evolution of North American plant distribution - Harshberger, John W. (John William), 1869 -1929 (W. Engelmann, 1911)

Plant lists - Pringle, Cyrus G. (Cyrus Guernsey), 1838 -1911 (1881)

Proceedings of the California Academy of Sciences 3rd ser., Botany - California Academy of Sciences (The Academy, 1897)

Proceedings of the California Academy of Sciences 3rd ser., Botany - California Academy of Sciences (The Academy, 1897)

Proceedings of the California Academy of Sciences 3rd ser., Botany - California Academy of Sciences (The Academy, 1897)

Proceedings of the California Academy of Sciences 3rd ser., Botany - California Academy of Sciences (The Academy, 1897)

Proceedings of the California Academy of Sciences, 4th series - California Academy of Sciences (California Academy of Sciences, 1929)

Proceedings of the California Academy of Sciences, 4th series - California Academy of Sciences (California Academy of Sciences, 1929)

Proceedings of the California Academy of Sciences, 4th series - California Academy of Sciences (California Academy of Sciences, 1929)

Proceedings of the California Academy of Sciences, 4th series - California Academy of Sciences (California Academy of Sciences, 1929)

Proceedings of the United States National Museum - Smithsonian Institution (Smithsonian Institution Press, [etc.], 1888)

Transactions of the San Diego Society of Natural History - San Diego Society of Natural History. (The Society, 1959)

Transactions of the San Diego Society of Natural History - San Diego Society of Natural History. (The Society, 1954)

Vegetation and flora of the Sonoran Desert - Shreve, Forrest, 1878 -1950 (1951)

Die Vegetation der Erde :Sammlung pflanzengeographischer Monographien - Engler, Adolf, 1844 -1930 (W. Engelmann, 1896)

Die Vegetation der Erde :Sammlung pflanzengeographischer Monographien - Engler, Adolf, 1844 -1930 (W. Engelmann, 1896)

The West-American scientist - Orcutt, Charles Russell, 1864 -1929 (C.R. Orcutt, 1885)

The West-American scientist - Orcutt, Charles Russell, 1864 -1929 (C.R. Orcutt, 1885)

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

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

Zoe:a biological journal (Zoe Publishing Co, 1900)

Zoe:a biological journal (Zoe Publishing Co, 1900)

Zoe:a biological journal (Zoe Publishing Co, 1900)