Published in Sida, Contributions To Botany, in 2006, in volume 22, issue 1, pages 749-754

Created: 2015-12-02, modified: 2015-12-02

Published in Occasional Papers Museum of Texas Tech University, in 1991, in volume 140, pages 1-19

Created: 2019-03-11, modified: 2019-03-11

Published in Biol Bull, in 1940, in volume 78, pages 454-462

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

Published in Raptor Research, in 1976, in volume 10, issue 4, pages 120-128

Created: 2017-04-08, modified: 2017-04-08

Published in Biol Bull, in 1937, in volume 72, pages 165-175

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

Published in Biol Bull, in 1939, in volume 77, pages 285-296

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

Published in Biol Bull, in 1933, in volume 64, pages 183-205

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