Published in Rhodora, in 1922, in volume 24, pages 11-16

Created: 2014-06-16, modified: 2023-02-16

Published in Journal of South African Botany, in 1980, in volume 46, issue 2, pages 213-215

Created: 2024-09-05, modified: 2024-09-05

Published in Bothalia, in 1986, in volume 16, issue 1, pages 56-57

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Published in Bothalia, in 1986, in volume 16, issue 1, pages 59-61

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Published in Bothalia, in 1990, in volume 20, issue 2, pages 216-217

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Published in Bothalia, in 2010, in volume 40, issue 2, pages 190-193

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Published in Bothalia, in 1991, in volume 21, issue 1, pages 55

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Published in Novon, in 1998, in volume 8, issue 4, pages 405-407

Created: 2014-06-14, modified: 2014-06-14

Published in Annals of the Missouri Botanical Garden, in 1996, in volume 83, pages 362-386

Created: 2010-01-08, modified: 2015-12-16

Published in Rhodora, in 1924, in volume 26, issue 310, pages 195-197

Created: 2016-07-19, modified: 2023-02-16

Published in Journal of South African Botany, in 1984, in volume 50, issue 2, pages 261-263

Created: 2024-09-24, modified: 2024-09-24

Published in Telopea, in 2009, in volume 12, issue 3, pages 333-345

Created: 2020-08-24, modified: 2020-08-24

Published in The Great Basin Naturalist, in 1991, in volume 51, issue 4, pages 301-309

Created: 2017-11-16, modified: 2023-02-16

Published in Annals of the Missouri Botanical Garden, in 1929, in volume 16, pages 227-388

Created: 2010-01-08, modified: 2015-12-16

Published in Bothalia, in 2010, in volume 40, issue 1, pages 1-36

Created: 2026-04-02, modified: 2026-04-02

Published in Telopea, in 1997, in volume 7, issue 3, pages 269-274

Created: 2019-03-10, modified: 2019-03-10

Published in Bothalia, in 1983, in volume 14, issue 3/4, pages 565-570

Created: 2026-04-05, modified: 2026-04-05

Published in Great Basin Naturalist, in 1985, in volume 45, pages 607-614

Created: 2009-12-23, modified: 2023-02-16

Published in Bothalia, in 2003, in volume 33, issue 2, pages 173-193

Created: 2026-04-03, modified: 2026-04-03

Published in Annals of the Missouri Botanical Garden, in 1931, in volume 18, pages 1-8

Created: 2010-01-08, modified: 2015-12-16

Published in Telopea, in 1996, in volume 6, issue 4, pages 597-627

Created: 2020-08-24, modified: 2020-08-24

Published in Bothalia, in 1986, in volume 16, issue 1, pages 88-89

Created: 2025-10-05, modified: 2025-10-05

Published in The Wilson Bulletin, in 1994, in volume 106, issue 1, pages 46-54

Created: 2016-12-04, modified: 2023-02-16

Published in Bothalia, in 1992, in volume 22, issue 1, pages 59-57

Created: 2026-04-05, modified: 2026-04-05

Published in Muelleria, in 1995, in volume 8, issue 3, pages 283-285

Created: 2016-09-04, modified: 2023-02-16

Published in Revue Suisse de Zoologie, in 1904, in volume 12, pages 149-255

Created: 2012-04-03, modified: 2023-02-16

Published in Bothalia, in 1990, in volume 20, issue 1, pages 91-103

Created: 2025-10-05, modified: 2025-10-05

Published in Journal of South African Botany, in 1981, in volume 47, issue 3, pages 339-371

Created: 2024-09-24, modified: 2024-09-24

Published in Journal of South African Botany, in 1981, in volume 47, issue 1, pages 13-48

Created: 2024-09-24, modified: 2024-09-24

Published in Bothalia, in 2006, in volume 36, issue 2, pages 157-162

Created: 2026-04-03, modified: 2026-04-03

Published in Annals of the Missouri Botanical Garden, in 1928, in volume 15, pages 109-112

Created: 2010-01-08, modified: 2015-12-16

Published in Journal of South African Botany, in 1980, in volume 46, issue 4, pages 379-434

Created: 2024-09-05, modified: 2024-09-05

Published in Bothalia, in 2007, in volume 37, issue 1, pages 119-127

Created: 2026-04-03, modified: 2026-04-03

Published in Annals of the Missouri Botanical Garden, in 1929, in volume 16, pages 487-498

Created: 2010-01-08, modified: 2015-12-16

Published in Annals of the Missouri Botanical Garden, in 2010, in volume 97, issue 3, pages 306-364

Created: 2024-06-28, modified: 2024-06-28

Published in Annals of the Missouri Botanical Garden, in 1931, in volume 18, pages 9-16

Created: 2010-01-08, modified: 2015-12-16

Published in Annals of the Missouri Botanical Garden, in 1994, in volume 81, pages 687-713

Created: 2010-01-08, modified: 2015-12-16

Published in Bothalia, in 1983, in volume 14, issue 3/4, pages 427-440

Created: 2026-04-05, modified: 2026-04-05

Published in Proceedings of the California Academy of Sciences, in 1934, in volume 21, pages 211-224

Created: 2011-06-28, modified: 2011-06-28

Published in The Great Basin Naturalist, in 1990, in volume 50, issue 4, pages 347-353

Created: 2017-11-16, modified: 2023-02-16

Published in Proceedings of the United States National Museum, in 1956, in volume 102, issue 3291, pages 1-69

Created: 2009-12-26, modified: 2013-03-16

Published in Acta Botánica Mexicana, in 2002, in volume 61, pages 1-7

Created: 2018-04-15, modified: 2018-04-15

Published in Bothalia, in 2009, in volume 39, issue 2, pages 233-237

Created: 2026-04-03, modified: 2026-04-03

Published in Stuttgarter Beitraege Zur Naturkunde, in 1967, in volume 179, pages 1-16

Created: 2012-07-26, modified: 2012-07-27

Published in Bothalia, in 1990, in volume 20, issue 2, pages 208

Created: 2025-10-05, modified: 2025-10-05

Published in Scopus, in 1979, in volume 3, pages 33-47

Created: 2014-03-20, modified: 2014-03-20

Published in Nautilis, in 1912, in volume 26, pages 83-84

Created: 2013-09-28, modified: 2013-09-28

Published in Scopus, in 1987, in volume 9, pages 146-159

Created: 2014-03-20, modified: 2014-03-20

Published in Rhodora, in 1970, in volume 72, issue 790, pages 286

Created: 2014-06-16, modified: 2023-02-16

Published in Breviora, in 1983, in volume 473, pages 1-35

Created: 2009-12-27, modified: 2021-04-05