Distribution data for plant genera

John Grehan jrg13 at PSU.EDU
Mon Feb 15 09:02:29 CST 1999

I would be grateful for any information regarding publications
containing distribution details in the form of maps for the following
 genera in their North American range. The information I require
needs to be more than just the area encompassed by each
genus (I already have this). The best information would be
that which maps the distribution localities for each of the
species included.

The genera are:


 I am currently checking references from World Checklist and Bibliography
of Fagales (1998), but do not yet know how useful these will be.

Blennosperma (Senecioneae, Blennospermatinae)

Any assistance with this inquiry will be most appreciated.

John Grehan

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