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Published in Rhodora, in 1969, in volume 71, issue 785, pages 107-109
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Published in Rhodora, in 1963, in volume 65, issue 761, pages 21
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Published in Rhodora, in 1956, in volume 58, issue 686, pages 50
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Published in Rhodora, in 1978, in volume 80, issue 821, pages 155
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Published in Rhodora, in 1963, in volume 65, issue 764, pages 337-338
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Published in Rhodora, in 1964, in volume 66, issue 768, pages 411-412
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Published in Rhodora, in 1967, in volume 69, issue 780, pages 484-485
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Published in Rhodora, in 1964, in volume 66, issue 768, pages 408-411
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Published in Rhodora, in 1959, in volume 61, issue 730, pages 268-270
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Published in Rhodora, in 1962, in volume 64, issue 758, pages 161-168
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Published in Rhodora, in 1966, in volume 68, issue 776, pages 474-512
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Published in Rhodora, in 1963, in volume 65, issue 763, pages 262-270
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Published in Rhodora, in 1962, in volume 64, issue 760, pages 353-354
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Published in Rhodora, in 1975, in volume 77, issue 809, pages 41-43
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Published in Rhodora, in 1953, in volume 55, issue 660, pages 349-352
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Published in Rhodora, in 1961, in volume 63, issue 755, pages 297-304
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Published in Rhodora, in 1962, in volume 64, issue 760, pages 351-352
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Published in Rhodora, in 1970, in volume 72, issue 792, pages 555-556
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Published in Rhodora, in 1972, in volume 74, issue 798, pages 291-294
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Published in Rhodora, in 1970, in volume 72, pages 240-50
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Published in Rhodora, in 1973, in volume 75, issue 801, pages 155-157
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Published in American Malacological Bulletin, in 1993, in volume 10, issue 1, pages 103-108
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Published in The Nautilus, in 1957, in volume 70, pages 111-113
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Published in Palaeontology, in 1976, in volume 19, issue 3, pages 417-436
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Published in Asa Gray correspondence. Senders Be-Bo, in 1887, pages 1-2
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Published in Asa Gray correspondence. Senders Be-Bo, in 1887, pages 1-2
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Published in Asa Gray correspondence. Senders Be-Bo, in 1887, pages 1-2
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Published in Asa Gray correspondence. Senders Be-Bo, in 1882, pages 1-2
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Published in Asa Gray correspondence. Senders Be-Bo, in 1884, pages 1-2
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Published in Asa Gray correspondence. Senders Be-Bo, in 1881, pages 1-2
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Published in Asa Gray correspondence. Senders Be-Bo, in 1881, pages 1-2
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Published in Asa Gray correspondence. Senders Be-Bo, in 1882, pages 1-4
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Published in Asa Gray correspondence. Senders Be-Bo, in 1881, pages 1-2
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Published in American Fern Journal, in 1917, in volume 7, pages 77-87
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Published in Biol Bull, in 1999, in volume 196, pages 295-302
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Published in Proceedings of The Royal Society of Victoria, in 1893, in volume 5, pages 193-199
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Published in Proceedings of The Royal Society of Victoria, in 1894, in volume 6, pages 120-132
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Published in The Auk, in 1888, in volume 5, pages 278-283
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Published in The Auk, in 1915, in volume 32, pages 154-166
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Published in Madroño, in 1974, in volume 22, issue 5, pages 277
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Published in Torreya, in 1913, in volume 13, issue 4, pages 77-79
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Published in The Auk, in 1886, in volume 3, pages 444-451
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Published in The Auk, in 1893, in volume 10, pages 311-315
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Published in The Wilson Bulletin, in 1936, in volume 48, issue 4, pages 284-289
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Published in Ibis, in 1893, in volume 5, issue 3, pages 365-371
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Published in Madroño, in 1981, in volume 28, issue 4, pages 210-219
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Published in Palaeontology, in 1969, in volume 12, issue 1, pages 161-171
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Published in The Auk, in 1895, in volume 12, pages 155-157
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Published in Forktail, in 1999, in volume 15, pages 25-27
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