Published in The Great Basin Naturalist, in 1998, in volume 58, issue 3, pages 217-230

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Published in The Great Basin Naturalist, in 1997, in volume 57, issue 1, pages 57-65

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Published in The Great Basin Naturalist, in 1994, in volume 54, issue 4, pages 291-300

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Published in Madroño, in 2007, in volume 54, issue 2, pages 203-211

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Published in The Great Basin Naturalist, in 1984, in volume 44, pages 166-169

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Published in The Wilson Bulletin, in 1987, in volume 99, issue 4, pages 571-578

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Published in Bulletin of The British Ornithologists' Club, in 1993, in volume 113, pages 9-17

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Published in Madroño, in 1988, in volume 35, issue 2, pages 164-167

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Published in Sida, Contributions To Botany, in 1990, in volume 14, issue 2, pages 251-261

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Published in Breviora, in 1969, in volume 325, pages 1-24

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Published in American Fern Journal, in 1993, in volume 83, pages 46

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Published in Rhodora, in 1934, in volume 36, pages 274-84

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Published in Bulletin of The British Ornithologists' Club, in 2004, in volume 124, pages 151-153

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Published in Moscosoa, in 1993, in volume 7, issue 0, pages 199-200

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Published in Bulletin of The British Ornithologists' Club, in 1995, in volume 115, pages 226-228

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Published in Annals of the Missouri Botanical Garden, in 1987, in volume 74, pages 679-680

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Published in The Wilson Bulletin, in 1949, in volume 61, issue 3, pages 190-192

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Published in Biol Bull, in 1970, in volume 138, pages 157-183

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Published in Biol Bull, in 1971, in volume 141, pages 553-560

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Published in The Wilson Bulletin, in 1970, in volume 82, issue 2, pages 214-218

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