Published in The Auk, in 1911, in volume 28, pages 53-66
Created: 2013-03-08, modified: 2013-03-08![](https://www.biodiversitylibrary.org/pagethumb/30343544,60,60)
Published in Botanical Gazette, in 1905, in volume 39, issue 3, pages 179-192
Created: 2017-03-14, modified: 2017-03-14![](https://www.biodiversitylibrary.org/pagethumb/16075982,60,60)
Published in The Auk, in 1903, in volume 20, pages 249-262
Created: 2013-03-08, modified: 2013-03-08