Published in Mitteilungen der Bayerischen Staatssammlung für Paläontologie und Histor. Geologie, in 1994, in volume 34, pages 265-272
Created: 2017-02-01, modified: 2017-02-01![](https://www.biodiversitylibrary.org/pagethumb/32261632,60,60)
Published in American Fern Journal, in 1980, in volume 70, pages 39-44
Created: 2017-04-23, modified: 2017-04-23![](https://www.biodiversitylibrary.org/pagethumb/32225717,60,60)
Published in American Fern Journal, in 1985, in volume 75, pages 132
Created: 2017-04-23, modified: 2017-04-23![](https://www.biodiversitylibrary.org/pagethumb/32225696,60,60)
Published in American Fern Journal, in 1985, in volume 75, pages 111-119
Created: 2017-04-23, modified: 2017-04-23![](https://www.biodiversitylibrary.org/pagethumb/32151044,60,60)
Published in American Fern Journal, in 1970, in volume 60, pages 162-163
Created: 2017-04-23, modified: 2017-04-23![](https://www.biodiversitylibrary.org/pagethumb/32226002,60,60)
Published in American Fern Journal, in 1987, in volume 77, pages 58-63
Created: 2017-04-23, modified: 2017-04-23![](https://www.biodiversitylibrary.org/pagethumb/31880216,60,60)
Published in American Fern Journal, in 1962, in volume 52, pages 123-130
Created: 2017-04-23, modified: 2017-04-23![](https://www.biodiversitylibrary.org/pagethumb/31876766,60,60)
Published in American Fern Journal, in 1978, in volume 68, pages 37-40
Created: 2017-04-23, modified: 2017-04-23![](https://www.biodiversitylibrary.org/pagethumb/46804130,60,60)
Published in Scopus, in 2010, in volume 30, pages 1-11
Created: 2015-02-15, modified: 2015-02-15![](https://www.biodiversitylibrary.org/pagethumb/61952568,60,60)
Published in Annals of Tropical Medicine & Parasitology, in 1925, in volume 19, issue 1, pages 137-139
Created: 2022-11-01, modified: 2022-11-01![](https://www.biodiversitylibrary.org/pagethumb/61949304,60,60)
Published in Annals of Tropical Medicine & Parasitology, in 1923, in volume 17, issue 3, pages 439-441
Created: 2022-11-06, modified: 2022-11-06![](https://www.biodiversitylibrary.org/pagethumb/52979538,60,60)
Published in Asa Gray correspondence. Senders Br-Bz, in 1888, pages 1
Created: 2017-06-24, modified: 2017-06-24![](https://www.biodiversitylibrary.org/pagethumb/13188867,60,60)
Published in Phytologia, in 1998, in volume 85, issue 2, pages 130-133
Created: 2016-05-04, modified: 2016-05-06![](https://www.biodiversitylibrary.org/pagethumb/61951670,60,60)
Published in Annals of Tropical Medicine & Parasitology, in 1924, in volume 18, issue 3, pages 413
Created: 2022-11-01, modified: 2022-11-01![](https://www.biodiversitylibrary.org/pagethumb/49642535,60,60)
Published in Palaeontology, in 1987, in volume 30, issue 1, pages 27-74
Created: 2016-04-23, modified: 2016-04-23![](https://www.biodiversitylibrary.org/pagethumb/8284526,60,60)
Published in Nautilis, in 1938, in volume 52, pages 26-27
Created: 2013-09-28, modified: 2013-09-28![](https://www.biodiversitylibrary.org/pagethumb/47993105,60,60)
Published in Madroño, in 1929, in volume 1, issue 17, pages 278-281
Created: 2016-02-15, modified: 2016-07-07![](https://www.biodiversitylibrary.org/pagethumb/53047244,60,60)
Published in Asa Gray correspondence. Senders Ca-Cl, in 1891, pages 1
Created: 2017-06-24, modified: 2017-06-24![](https://www.biodiversitylibrary.org/pagethumb/9203372,60,60)
Published in Nautilis, in 1938, in volume 51, pages 142-143
Created: 2013-09-28, modified: 2013-09-28![](https://www.biodiversitylibrary.org/pagethumb/560578,60,60)
Published in Rhodora, in 1901, in volume 3, issue 25, pages 18
Created: 2016-07-19, modified: 2016-07-26![](https://www.biodiversitylibrary.org/pagethumb/47993047,60,60)
Published in Madroño, in 1929, in volume 1, issue 15, pages 226
Created: 2016-02-15, modified: 2016-07-07![](https://www.biodiversitylibrary.org/pagethumb/47919919,60,60)
Published in Madroño, in 1933, in volume 2, issue 12, pages 102-103
Created: 2016-02-15, modified: 2016-07-07![](https://www.biodiversitylibrary.org/pagethumb/30720918,60,60)
Published in Annals of Tropical Medicine & Parasitology, in 1918, in volume 12, issue 2, pages 201-210
Created: 2022-12-22, modified: 2022-12-22![](https://www.biodiversitylibrary.org/pagethumb/30720928,60,60)
Published in Annals of Tropical Medicine & Parasitology, in 1918, in volume 12, issue 2, pages 211-216
Created: 2022-12-22, modified: 2022-12-22![](https://www.biodiversitylibrary.org/pagethumb/30720776,60,60)
Published in Annals of Tropical Medicine & Parasitology, in 1918, in volume 12, issue 1, pages 71-77
Created: 2022-12-22, modified: 2022-12-22![](https://www.biodiversitylibrary.org/pagethumb/30720934,60,60)
Published in Annals of Tropical Medicine & Parasitology, in 1918, in volume 12, issue 2, pages 217-222
Created: 2022-12-22, modified: 2022-12-22![](https://www.biodiversitylibrary.org/pagethumb/61952696,60,60)
Published in Annals of Tropical Medicine & Parasitology, in 1925, in volume 19, issue 4, pages 465-466
Created: 2022-11-01, modified: 2022-11-01![](https://www.biodiversitylibrary.org/pagethumb/8906210,60,60)
Published in Great Basin Naturalist, in 1981, in volume 41, pages 310
Created: 2009-12-23, modified: 2023-02-16![](https://www.biodiversitylibrary.org/pagethumb/49721693,60,60)
Published in Palaeontology, in 1980, in volume 23, issue 4, pages 821-837
Created: 2016-04-23, modified: 2016-04-23![](https://www.biodiversitylibrary.org/pagethumb/47815975,60,60)
Published in Madroño, in 2004, in volume 51, issue 3, pages 331-333
Created: 2016-02-15, modified: 2016-07-07![](https://www.biodiversitylibrary.org/pagethumb/52979539,60,60)
Published in Asa Gray correspondence. Senders Br-Bz, in 1890, pages 1
Created: 2017-06-24, modified: 2017-06-24![](https://www.biodiversitylibrary.org/pagethumb/52979540,60,60)
Published in Asa Gray correspondence. Senders Br-Bz, in 1891, pages 1
Created: 2017-06-24, modified: 2017-06-24![](https://www.biodiversitylibrary.org/pagethumb/28063048,60,60)
Published in Tijdschrift Voor Entomologie, in 1947, in volume 88, pages 329-330
Created: 2010-03-23, modified: 2011-06-21![](https://www.biodiversitylibrary.org/pagethumb/8518886,60,60)
Published in Nautilis, in 1929, in volume 42, pages 101-102
Created: 2013-09-28, modified: 2013-09-28![](https://www.biodiversitylibrary.org/pagethumb/8515119,60,60)
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
Created: 2013-09-28, modified: 2013-09-28![](https://www.biodiversitylibrary.org/pagethumb/8515522,60,60)
Published in Nautilis, in 1943, in volume 57, pages 64-66
Created: 2013-09-28, modified: 2013-09-28![](https://www.biodiversitylibrary.org/pagethumb/27053986,60,60)
Published in Nautilis, in 1893, in volume 6, pages 141-143
Created: 2013-09-28, modified: 2013-09-28![](https://www.biodiversitylibrary.org/pagethumb/30227662,60,60)
Published in Zoologica, in 1921, in volume 3, issue 11, pages 235-238
Created: 2016-11-07, modified: 2016-11-07![](https://www.biodiversitylibrary.org/pagethumb/27909798,60,60)
Published in Botanical Gazette, in 1889, in volume 14, issue 3, pages 54-66
Created: 2017-03-14, modified: 2017-03-14![](https://www.biodiversitylibrary.org/pagethumb/10166882,60,60)
Published in Botanical Gazette, in 1891, in volume 16, issue 2, pages 57
Created: 2017-03-14, modified: 2017-03-14![](https://www.biodiversitylibrary.org/pagethumb/47993020,60,60)
Published in Madroño, in 1929, in volume 1, issue 14, pages 201-202
Created: 2016-02-15, modified: 2016-07-07![](https://www.biodiversitylibrary.org/pagethumb/47993086,60,60)
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
Created: 2016-02-15, modified: 2016-07-07![](https://www.biodiversitylibrary.org/pagethumb/47919823,60,60)
Published in Madroño, in 1931, in volume 2, issue 4, pages 40
Created: 2016-02-15, modified: 2016-07-07![](https://www.biodiversitylibrary.org/pagethumb/49703437,60,60)
Published in Palaeontology, in 1979, in volume 22, issue 3, pages 665-683
Created: 2016-04-23, modified: 2016-04-23![](https://www.biodiversitylibrary.org/pagethumb/49721885,60,60)
Published in Palaeontology, in 1981, in volume 24, issue 3, pages 493-506
Created: 2016-04-23, modified: 2016-04-23![](https://www.biodiversitylibrary.org/pagethumb/53235552,60,60)
Published in Nuytsia, in 1988, in volume 6, issue 3, pages 335-350
Created: 2023-07-16, modified: 2023-07-16![](https://www.biodiversitylibrary.org/pagethumb/27053642,60,60)
Published in Nautilis, in 1891, in volume 4, pages 113-115
Created: 2013-09-28, modified: 2013-09-28![](https://www.biodiversitylibrary.org/pagethumb/10710777,60,60)
Published in Revue Suisse De Zoologie, in 1917, in volume 25, pages 425-440
Created: 2017-01-27, modified: 2017-01-27