![](/img/cover-not-exists.png)
The US Virtual Herbarium: working with individual herbaria to build a national resource
Barkworth, Mary, Murrell, ZackVolume:
209
Language:
english
Journal:
ZooKeys
DOI:
10.3897/zookeys.209.3205
Date:
July, 2012
File:
PDF, 298 KB
english, 2012