URLDate
Verified		Extra Software
Requirements
(if any)		Access
Conditions		Notes
http://dx.doi.org/10.3732/ajb.91.12.1960DOI Link
http://www.amjbot.org/content/91/12/1960.long04/05/2014Item is within a limited-access website
http://www.amjbot.org/content/91/12/1960.full.pdf+html04/15/2014PDF ReaderItem is within a limited-access website