Published in Journal of The Arnold Arboretum, in 1967, in volume 48, issue 2, pages 105-121
Created: 2016-07-07, modified: 2016-07-07![](https://www.biodiversitylibrary.org/pagethumb/10817595,60,60)
Published in Journal of The Arnold Arboretum, in 1968, in volume 49, issue 2, pages 225-232
Created: 2016-07-07, modified: 2016-07-07![](https://www.biodiversitylibrary.org/pagethumb/47872281,60,60)
Published in Madroño, in 1971, in volume 21, issue 4, pages 208-221
Created: 2016-02-15, modified: 2016-07-07![](https://www.biodiversitylibrary.org/pagethumb/20107925,60,60)
Published in Annals of the Missouri Botanical Garden, in 1973, in volume 60, pages 169-173
Created: 2010-01-08, modified: 2016-12-29![](https://www.biodiversitylibrary.org/pagethumb/16446802,60,60)
Published in Journal of The Arnold Arboretum, in 1972, in volume 53, issue 3, pages 312-335
Created: 2016-07-07, modified: 2016-07-07![](https://www.biodiversitylibrary.org/pagethumb/8442767,60,60)
Published in Journal of The Arnold Arboretum, in 1964, in volume 45, issue 4, pages 464-470
Created: 2016-07-07, modified: 2016-07-07![](https://www.biodiversitylibrary.org/pagethumb/28001465,60,60)
Published in Annals of the Missouri Botanical Garden, in 1991, in volume 78, pages 87-88
Created: 2010-01-08, modified: 2015-12-16![](https://www.biodiversitylibrary.org/pagethumb/8015067,60,60)
Published in Notulae Systematicae, in 1956, in volume 15, issue 2, pages 220-225
Created: 2016-12-04, modified: 2016-12-04![](https://www.biodiversitylibrary.org/pagethumb/31805035,60,60)
Published in American Fern Journal, in 1982, in volume 72, pages 63-64
Created: 2017-04-23, modified: 2017-04-23![](https://www.biodiversitylibrary.org/pagethumb/47395467,60,60)
Published in American Fern Journal, in 2009, in volume 99, pages 56-58
Created: 2017-04-23, modified: 2017-04-23![](https://www.biodiversitylibrary.org/pagethumb/49931863,60,60)
Published in Bollettino Malacologico, in 1989, in volume 24, issue 9-12, pages 173-178
Created: 2016-06-27, modified: 2016-06-27![](https://www.biodiversitylibrary.org/pagethumb/13159604,60,60)
Published in Phytologia, in 1981, in volume 50, issue 1, pages 69-70
Created: 2017-03-08, modified: 2017-03-08![](https://www.biodiversitylibrary.org/pagethumb/13160004,60,60)
Published in Phytologia, in 1982, in volume 50, issue 7, pages 457-460
Created: 2017-03-08, modified: 2017-03-08![](https://www.biodiversitylibrary.org/pagethumb/13039498,60,60)
Published in Phytologia, in 1982, in volume 51, issue 7, pages 474-478
Created: 2017-03-08, modified: 2017-03-08![](https://www.biodiversitylibrary.org/pagethumb/13158694,60,60)
Published in Phytologia, in 1982, in volume 52, issue 4, pages 227-229
Created: 2017-03-08, modified: 2017-03-08![](https://www.biodiversitylibrary.org/pagethumb/12987339,60,60)
Published in Phytologia, in 1983, in volume 53, issue 6, pages 447-448
Created: 2017-03-08, modified: 2017-03-08![](https://www.biodiversitylibrary.org/pagethumb/32032969,60,60)
Published in American Fern Journal, in 1972, in volume 62, pages 100
Created: 2017-04-23, modified: 2017-04-23![](https://www.biodiversitylibrary.org/pagethumb/44341460,60,60)
Published in Avicennia, in 1997, in volume 6-7, pages 61-64
Created: 2014-04-06, modified: 2014-04-06![](https://www.biodiversitylibrary.org/pagethumb/44257034,60,60)
Published in Avicennia, in 1994, in volume 1, pages 51-56
Created: 2014-04-06, modified: 2014-04-06![](https://www.biodiversitylibrary.org/pagethumb/49627356,60,60)
Published in Palaeontology, in 1963, in volume 6, issue 3, pages 440-457
Created: 2016-04-23, modified: 2016-04-23![](https://www.biodiversitylibrary.org/pagethumb/51315911,60,60)
Published in Journal of Raptor Research, in 1992, in volume 26, issue 3, pages 184-188
Created: 2017-04-07, modified: 2017-04-07![](https://www.biodiversitylibrary.org/pagethumb/31876789,60,60)
Published in American Fern Journal, in 1978, in volume 68, pages 60
Created: 2017-04-23, modified: 2017-04-23![](https://www.biodiversitylibrary.org/pagethumb/31876351,60,60)
Published in American Fern Journal, in 1976, in volume 66, pages 28
Created: 2017-04-23, modified: 2017-04-23![](https://www.biodiversitylibrary.org/pagethumb/32261965,60,60)
Published in American Fern Journal, in 1983, in volume 73, pages 63
Created: 2017-04-23, modified: 2017-04-23![](https://www.biodiversitylibrary.org/pagethumb/44341386,60,60)
Published in Avicennia, in 2000, in volume 12-13, pages 135-136
Created: 2014-04-06, modified: 2014-04-06![](https://www.biodiversitylibrary.org/pagethumb/11016231,60,60)
Published in Journal of The Arnold Arboretum, in 1976, in volume 57, issue 3, pages 217-218
Created: 2016-07-07, modified: 2016-07-07![](https://www.biodiversitylibrary.org/pagethumb/32032960,60,60)
Published in American Fern Journal, in 1972, in volume 62, pages 95
Created: 2017-04-23, modified: 2017-04-23![](https://www.biodiversitylibrary.org/pagethumb/31876735,60,60)
Published in American Fern Journal, in 1978, in volume 68, pages 9-10
Created: 2017-04-23, modified: 2017-04-23![](https://www.biodiversitylibrary.org/pagethumb/35323830,60,60)
Published in Iberus, in 1996, in volume 14, pages 103-107
Created: 2014-01-12, modified: 2014-01-12![](https://www.biodiversitylibrary.org/pagethumb/32631736,60,60)
Published in Iberus, in 1990, in volume 9, pages 387-392
Created: 2014-01-12, modified: 2014-01-12![](https://www.biodiversitylibrary.org/pagethumb/11016233,60,60)
Published in Journal of The Arnold Arboretum, in 1976, in volume 57, issue 3, pages 219-249
Created: 2016-07-07, modified: 2016-07-07![](https://www.biodiversitylibrary.org/pagethumb/31876350,60,60)
Published in American Fern Journal, in 1976, in volume 66, pages 27
Created: 2017-04-23, modified: 2017-04-23![](https://www.biodiversitylibrary.org/pagethumb/32261638,60,60)
Published in American Fern Journal, in 1980, in volume 70, pages 45-46
Created: 2017-04-23, modified: 2017-04-23![](https://www.biodiversitylibrary.org/pagethumb/27049344,60,60)
Published in Nautilis, in 1909, in volume 23, pages 85-86
Created: 2013-09-28, modified: 2013-09-28![](https://www.biodiversitylibrary.org/pagethumb/50101258,60,60)
Published in Acta Botánica Mexicana, in 2012, in volume 100, pages 293-315
Created: 2016-05-12, modified: 2017-04-27![](https://www.biodiversitylibrary.org/pagethumb/49926309,60,60)
Published in Bollettino Malacologico, in 1986, in volume 22, issue 1-4, pages 37-48
Created: 2016-06-27, modified: 2016-06-27![](https://www.biodiversitylibrary.org/pagethumb/31805021,60,60)
Published in American Fern Journal, in 1982, in volume 72, pages 49-52
Created: 2017-04-23, modified: 2017-04-23![](https://www.biodiversitylibrary.org/pagethumb/44342588,60,60)
Published in Avicennia, in 1993, in volume 0, pages 9-13
Created: 2014-04-06, modified: 2014-04-06![](https://www.biodiversitylibrary.org/pagethumb/31876420,60,60)
Published in American Fern Journal, in 1976, in volume 66, pages 89-92
Created: 2017-04-23, modified: 2017-04-23![](https://www.biodiversitylibrary.org/pagethumb/27281683,60,60)
Published in Annals of the Missouri Botanical Garden, in 1982, in volume 69, pages 548-556
Created: 2010-01-08, modified: 2015-12-16![](https://www.biodiversitylibrary.org/pagethumb/40504844,60,60)
Published in Zoological Science, in 1989, in volume 6, pages 667-674
Created: 2012-09-19, modified: 2012-09-19![](https://www.biodiversitylibrary.org/pagethumb/55805960,60,60)
Published in Acta Botánica Mexicana, in 2004, in volume 68, pages 1-38
Created: 2018-04-24, modified: 2018-04-24![](https://www.biodiversitylibrary.org/pagethumb/44340684,60,60)
Published in Avicennia, in 1994, in volume 2, pages 25-31
Created: 2014-04-06, modified: 2014-04-06![](https://www.biodiversitylibrary.org/pagethumb/53039340,60,60)
Published in Journal of Arachnology, in 1999, in volume 27, issue 3, pages 165-170
Created: 2017-04-02, modified: 2017-04-02![](https://www.biodiversitylibrary.org/pagethumb/51279508,60,60)
Published in Journal of Raptor Research, in 1991, in volume 25, issue 3, pages 88-89
Created: 2017-04-07, modified: 2017-04-07![](https://www.biodiversitylibrary.org/pagethumb/9310935,60,60)
Published in Sida, Contributions To Botany, in 2004, in volume 21, issue 2, pages 705-710
Created: 2015-12-02, modified: 2015-12-02![](https://www.biodiversitylibrary.org/pagethumb/52160064,60,60)
Published in The Wilson Bulletin, in 1948, in volume 60, issue 2, pages 109-114
Created: 2016-12-04, modified: 2016-12-04![](https://www.biodiversitylibrary.org/pagethumb/63544295,60,60)
Published in Malacologia, in 2011, in volume 53, issue 2, pages 381-402
Created: 2024-05-13, modified: 2024-05-13![](https://www.biodiversitylibrary.org/pagethumb/15776417,60,60)
Published in Proceedings of the California Academy of Sciences, in 1992, in volume 48, issue 2, pages 27-95
Created: 2009-12-24, modified: 2011-06-21![](https://www.biodiversitylibrary.org/pagethumb/58110402,60,60)
Published in Forktail, in 2009, in volume 25, pages 147-150
Created: 2019-05-12, modified: 2019-05-12