Published in Contributions In Science Los Angeles, in 1960, in volume 37, pages 1-8
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Published in Proceedings of The Biological Society of Washington, in 1969, in volume 82, pages 469-476
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Published in Proceedings of the Biological Society of Washington, in 2000, in volume 113, issue 2, pages 339-355
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Published in Annals of Tropical Medicine & Parasitology, in 1925, in volume 19, issue 1, pages 137-139
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Published in Annals of Tropical Medicine & Parasitology, in 1923, in volume 17, issue 3, pages 439-441
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Published in Asa Gray correspondence. Senders Br-Bz, in 1888, pages 1
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Published in Phytologia, in 1998, in volume 85, issue 2, pages 130-133
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Published in Annals of Tropical Medicine & Parasitology, in 1924, in volume 18, issue 3, pages 413
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Published in Palaeontology, in 1987, in volume 30, issue 1, pages 27-74
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Published in Nautilis, in 1938, in volume 52, pages 26-27
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Published in Madroño, in 1929, in volume 1, issue 17, pages 278-281
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Published in Asa Gray correspondence. Senders Ca-Cl, in 1891, pages 1
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Published in Nautilis, in 1938, in volume 51, pages 142-143
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Published in Rhodora, in 1901, in volume 3, issue 25, pages 18
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Published in Madroño, in 1929, in volume 1, issue 15, pages 226
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Published in Madroño, in 1933, in volume 2, issue 12, pages 102-103
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Published in Annals of Tropical Medicine & Parasitology, in 1918, in volume 12, issue 2, pages 201-210
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Published in Annals of Tropical Medicine & Parasitology, in 1918, in volume 12, issue 2, pages 211-216
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Published in Annals of Tropical Medicine & Parasitology, in 1918, in volume 12, issue 1, pages 71-77
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Published in Annals of Tropical Medicine & Parasitology, in 1918, in volume 12, issue 2, pages 217-222
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Published in Annals of Tropical Medicine & Parasitology, in 1925, in volume 19, issue 4, pages 465-466
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Published in Great Basin Naturalist, in 1981, in volume 41, pages 310
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Published in Palaeontology, in 1980, in volume 23, issue 4, pages 821-837
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Published in Madroño, in 2004, in volume 51, issue 3, pages 331-333
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Published in Asa Gray correspondence. Senders Br-Bz, in 1890, pages 1
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Published in Asa Gray correspondence. Senders Br-Bz, in 1891, pages 1
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Published in Tijdschrift Voor Entomologie, in 1947, in volume 88, pages 329-330
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Published in Nautilis, in 1929, in volume 42, pages 101-102
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Published in Nautilis, in 1929, in volume 43, pages 69-70
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Published in Nautilis, in 1937, in volume 51, pages 63-65
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Published in Nautilis, in 1943, in volume 57, pages 64-66
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Published in Nautilis, in 1893, in volume 6, pages 141-143
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Published in Zoologica, in 1921, in volume 3, issue 11, pages 235-238
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Published in Botanical Gazette, in 1889, in volume 14, issue 3, pages 54-66
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Published in Botanical Gazette, in 1891, in volume 16, issue 2, pages 57
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Published in Madroño, in 1929, in volume 1, issue 14, pages 201-202
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Published in Madroño, in 1929, in volume 1, issue 17, pages 261
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Published in Madroño, in 1934, in volume 2, issue 17, pages 157
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Published in Madroño, in 1931, in volume 2, issue 4, pages 40
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Published in Palaeontology, in 1979, in volume 22, issue 3, pages 665-683
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Published in Palaeontology, in 1981, in volume 24, issue 3, pages 493-506
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Published in Nuytsia, in 1988, in volume 6, issue 3, pages 335-350
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Published in Nautilis, in 1891, in volume 4, pages 113-115
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Published in Revue Suisse De Zoologie, in 1917, in volume 25, pages 425-440
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Published in Palaeontology, in 1980, in volume 23, issue 3, pages 557-603
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Published in Torreya, in 1939, in volume 39, issue 6, pages 177-183
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Published in Forktail, in 1998, in volume 13, pages 33-68
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Published in Breviora, in 1973, in volume 399, pages 1-18
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Published in Annals of Tropical Medicine & Parasitology, in 1921, in volume 15, issue 4, pages 435-444
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Published in Palaeontology, in 1981, in volume 24, issue 2, pages 417-435
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