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The Jepson Manual also follows Philip A. Munz and David D. Keck in their A California Flora and Supplement of 1958 and 1968. [2] Like other florae, The Jepson Manual builds upon these prior publications. Except for the number of line drawings, it has more in common with Munz's 1968 book than with Jepson's 1923 book.
It was founded by Willis Linn Jepson in 1950, and named after him. [7] The Jepson Herbarium supports the Jepson eFlora, a taxonomic database that builds on and expands the second edition of The Jepson Manual. It describes itself as "the foremost authority on the native and naturalized vascular plants of California". [8]
Of California's total plant population, 2,153 species, subspecies, and varieties are endemic and native to California alone, according to the 1993 Jepson Manual study. [4] This botanical diversity stems not only from the size of the state, but also its diverse topographies , climates, and soils (e.g. serpentine outcrops ).
Introduction to California Plant Life, Revised Edition, by Robert Ornduff, Phyllis Faber, Todd Keeler-Wolf, ISBN 0-520-23704-8, 2003. A Natural History of California, Allan A. Schoenherr, ISBN 0-520-06922-6, 1995. The Jepson Manual: Higher Plants of California by James C Hickman, ISBN 0-520-08255-9, 1993.
Jepson wrote at least 11 books during his lifetime, with two focused on California's trees. His works include A Flora of California (1909), The Trees of California (1909); and the major A Manual of the Flowering Plants of California (1925), predecessor of The Jepson Manual (1993). A Flora of California – Volume I. San Francisco: Cunningham ...
Studies in preparation for new editions of the Flora of North America and The Jepson Manual showed that there was "continuous variation" between Monardella odoratissima and M. villosa. Characters that had been used to separate the two species varied with location, elevation and soil type.
Galium magnifolium (largeleaf bedstraw) is a species of plants in the Rubiaceae. It is native to California ( Inyo Co), Arizona ( Coconino Co), Nevada ( Clark + Lincoln Cos), and Utah ( Washington + San Juan Cos).
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