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NOTEWORTHY COLLECTIONS
Published in Madroño, in 1980, in volume 27, issue 4, pages 176-186
Created: 2016-02-15, modified: 2016-07-07
Early Lycophyte Evolution
Published in American Fern Journal, in 2001, in volume 91, pages 74-98
Created: 2017-04-23, modified: 2017-04-23