Ornamentals for low-elevation desert areas of southern California Ornamentals for low elevation desert areas of southern California Mathias, Mildred Esther, 1906- contributor text book [Berkeley, Calif.] Division of Agricultural Sciences, University of California 1961 1961
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ENG California, Southern Landscape gardening Plants, Ornamental Circular (California Agricultural Experiment Station), 496 https://www.biodiversitylibrary.org/bibliography/61049 10.5962/bhl.title.61049 GPM