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Abstract Detail

Conservation Biology

Jensen, Nicholas [1].

A Flora of Tejon Ranch, California.

At approximately 270,000 acres Tejon Ranch is California’s largest contiguous piece of private land. Located primarily in the Tehachapi Mountains of Kern County, Tejon Ranch occupies one of the most interesting and complex areas of ecological convergence in the state: the junction of the San Joaquin Valley, Sierra Nevada, Western Transverse Ranges, and Mojave Desert. Prior to 2008, when 90 percent of the ranch was placed under conservation agreements, Tejon Ranch was closed to scientific research. On Tejon, over the past two years I have made more than 3,000 herbarium collections representing at least one new species (Streptanthus sp. nov), dozens of new populations of rare species, and numerous range extensions. A highlight of these collections last year was the discovery of a population of California jewelflower, Caulanthus californicus, an endangered species previously considered extirpated in the San Joaquin Valley. So far, these collections represent more than 950 taxa, approximately 90% of which are native to California. This means that Tejon Ranch provides habitat for more than 13% of the state’s native plants on just 0.25% of California’s acreage.

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1 - Rancho Santa Ana Botanic Garden, 1500 North College Avenue, Claremont, CA, 91711, USA

Tehachapi Mountains
Rare Plants.

Presentation Type: Oral Paper
Session: 26, Conservation Biology I
Location: 104/Savannah International Trade and Convention Center
Date: Tuesday, August 2nd, 2016
Time: 2:00 PM
Number: 26003
Abstract ID:502
Candidate for Awards:None

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