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Penstemon calcareus
Also called Limestone Penstemon
Penstemon calcareus is a species of penstemon known by the common name limestone penstemon. It is native to California, where it is known from the deserts of central San Bernardino County, as well as the Death Valley area, where its distribution extends just over the border into Nevada. It grows in scrub and woodland, often on limestone substrates.
The range of limestone penstemon includes two Californian counties, Inyo and San Bernardino, and also Esmeralda County, Nevada. Most of its range is in California with one just one population in Nevada discovered in Death Valley National Park in 2003. Its range is spread out over 20,000 to 200,000 square kilometers, but only has a few populations. In this area it grows on mountains within the Mojave Desert at elevations of 1,200 to 2,000 meters (3,900 to 6,600 ft) above sea level.
Firleaf beardtongue · Stemless beardtongue · Sharpleaf penstemon · Los Alamos beardtongue · Alberta beardtongue · White penstemon · White River Beardtongue · Whitemargin beardtongue · Gilia beardtongue · Penstemon angelicus · Siskiyou beardtongue · Broadbeard beardtongue
Text excerpted from the Wikipedia article Penstemon calcareus by its contributors, under CC BY-SA 4.0; the excerpts are shared under the same licence.
Life form, climate and native range: World Checklist of Vascular Plants, Royal Botanic Gardens, Kew (CC BY 3.0), reformatted; see Plants of the World Online.
