Published in Madroño, in 2018, in volume 65, issue 1, pages 22-27

Created: 2024-06-16, modified: 2024-06-16

Published in Bull. Torrey Bot. Club, in 1915, in volume 42, pages 227-239

Created: 2011-06-04, modified: 2017-01-06

Published in Revue Suisse De Zoologie, in 1982, in volume 89, pages 607-615

Created: 2013-02-10, modified: 2023-02-16

Published in Geodiversitas, in 1998, in volume 20, issue 1, pages 5-18

Created: 2018-05-21, modified: 2018-05-21

Published in Journal of The Arnold Arboretum, in 1945, in volume 26, issue 2, pages 214-228

Created: 2016-07-07, modified: 2016-07-07

Published in Journal of The Arnold Arboretum, in 1945, in volume 26, issue 2, pages 206-211

Created: 2016-07-07, modified: 2016-07-07