Published in Madroño, in 2013, in volume 60, pages 64-86

Created: 2019-04-08, modified: 2019-04-08

Published in Madroño, in 1989, in volume 36, issue 1, pages 51-52

Created: 2016-02-15, modified: 2016-07-07

Published in Madroño, in 1996, in volume 43, issue 3, pages 417-431

Created: 2016-02-15, modified: 2016-07-07

Published in Biol Bull, in 1957, in volume 112, pages 180-183

Created: 2010-01-06, modified: 2011-06-21