Published in Madroño, in 1991, in volume 38, issue 2, pages 144-146
Created: 2016-02-15, modified: 2016-07-07![](https://www.biodiversitylibrary.org/pagethumb/12995571,60,60)
Published in Phytologia, in 1996, in volume 81, issue 2, pages 69-102
Created: 2016-05-04, modified: 2016-05-06![](https://www.biodiversitylibrary.org/pagethumb/47944107,60,60)
Published in Madroño, in 1988, in volume 35, issue 3, pages 278-280
Created: 2016-02-15, modified: 2016-07-07