Established in 1936 by executive order of President Franklin D. Roosevelt, the Patuxent Research Refuge is the nation's only national wildlife refuge established to support wildlife research. It is located between Washington, DC and Baltimore, MD.
CT=Central Tract
NT=North Tract
ST=South Tract
Nativity to refuge - Native, exotic, and uncertain.
Abundance qualifiers for refuge.
Abundant: occurring usually in large numbers or occupying large areas.
Common: plentiful throughout.
Frequent: widely distributed; occasionally plentiful.
Infrequent: occurring only occasionally.
Rare: not often found owing to its scarcity.
Local: restricted to a particular area.
The checklist uses Weakley 2022 with minor modifications for taxonomic nomenclature.
For additional information about this checklist, please contact: Bill Harms (botanybill@philcobill.com)
For comments about or corrections to individual entries, please leave a comment on the individual species page. Or contact Bill at the above email address
This is a work in progress and as such please use the data with care.
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