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A New Pellaea from South Africa
Published in Annals of the Missouri Botanical Garden, in 1955, in volume 42, pages 101-102
Created: 2010-01-08, modified: 2016-12-29
Spores of the Pteridophyta
Published in American Fern Journal, in 1991, in volume 81, pages 108
Created: 2017-04-23, modified: 2017-04-23
Taxonomic fern notes
Published in Rhodora, in 1961, in volume 63, pages 70-88
Created: 2014-06-16, modified: 2016-07-26
A New Doryopteris Hybrid
Published in American Fern Journal, in 1946, in volume 36, issue 2, pages 48
Created: 2017-04-23, modified: 2017-04-23
A New Gilia
Published in Botanical Gazette, in 1904, in volume 38, issue 1, pages 71-72
Created: 2017-03-14, modified: 2017-03-14
Collinsia bicolor
Published in Botanical Gazette, in 1895, in volume 20, issue 5, pages 232
Created: 2017-03-14, modified: 2017-03-14
THE VIOLETS OF COLORADO
Published in Madroño, in 1939, in volume 5, issue 1, pages 16-27
Created: 2016-02-15, modified: 2016-07-07