New York Botanical Garden (NY)
Botanical Research Institute of Texas (BRIT)
California Academy of Sciences (CAS)
Field Museum (F)
Harvard University (GH/AMES)
Illinois Natural History Survey (ILLS/ILL)
Marie Selby Botanical Garden (SEL)
Missouri Botanical Garden (MO)
Philadelphia Academy of Science (PH)
University of California (UC)
University of Massachusetts (MASS)
University of Michigan (MICH)
University of Minnesota (MIN)
University of Puerto Rico Rio ((UPRRP)
University of Texas (TEX)
University of Wisconsin (WIS)