Identification of Glossostigma species

Ann F. Rhoads rhoadsaf at POBOX.UPENN.EDU
Wed Aug 30 09:01:29 CDT 1995

A tiny aquatic plant in the family Scrophulariaceae has recently been
collected in several inland lakes and ponds in eastern Pennsylvania and
New Jersey.  We've been able to identify it as a member of the genus
Glossostigma, but do not have access to a key to the 5 or 6 species said
to comprise this genus, which according to our sources, occurs in
Australia, New Zealand, Africa and India.  Can anyone suggest a reference
with keys and descriptions of the species of Glossostigma?  Has anyone
else found a member of this genus in eastern North America?

Ann F. Rhoads
Morris Arboretum of the University of Pennsylvania
9414 Meadowbrook Ave.
Philadelphia, PA 19118
215 247 5777 x134
rhoadsaf at

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