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Steve Hurst. Provided by ARS Systematic Botany and Mycology Laboratory. United States, California.
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Howard, R.A. Provided by Smithsonian Institution, Richard A. Howard Photograph Collection.
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L.A. Barrett. Provided by National Agricultural Library. United States, California, Inyo National Forest.
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L.A. Barrett. Provided by National Agricultural Library. United States, California.
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Fred E. Dunham. Provided by National Agricultural Library. United States, California.
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O.M. Evans. Provided by National Agricultural Library. United States, California, Eldorado National Forest.
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Alfred R. Liddicoet. Provided by National Agricultural Library. United States, California, El Dorado Co., Placerville.
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Alfred R. Liddicoet. Provided by National Agricultural Library.
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T.P. Lukens. Provided by National Agricultural Library. United States, California.
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Richard H. May. Provided by National Agricultural Library. United States, California.
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S.B. Show. Provided by National Agricultural Library. United States, California, Sequoia National Forest.
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G.B. Sudworth. Provided by National Agricultural Library. United States, California, Tuolumne Co., Stanislaus National Forest, Wheat's Meadow, Highland Creek area.
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G.B. Sudworth. Provided by National Agricultural Library.
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Provided by National Agricultural Library. United States, California.
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Provided by National Agricultural Library. United States, District of Columbia, Washington.