Published in The Auk, in 1911, in volume 28, pages 53-66

Created: 2013-03-08, modified: 2013-03-08

Published in Botanical Gazette, in 1905, in volume 39, issue 3, pages 179-192

Created: 2017-03-14, modified: 2017-03-14

Published in The Auk, in 1903, in volume 20, pages 249-262

Created: 2013-03-08, modified: 2013-03-08