Books by Thomas Conrad Porter
Catalogue of the Bryophyta (he
Catalogue of the Bryophyta (hepatics, Anthocerotes and Mosses) and Pteridophyta (ferns and Fern-Allies) Found in Pennsylvania
List of the Grasses of Pennsyl
List of the Grasses of Pennsylvania
Catalogue of the Bryophta (hepatics, anthocerotes and mosses) and Pteridophyta (ferns and fern-allies) found in Pennsylvania
English versions of the Dies irae
Rare plants of southeastern Pe
Rare plants of southeastern Pennsylvania
The Pennsylvania-German in the field of the natural sciences
Solidago humilis, Pursh, of th
Solidago humilis, Pursh, of the eastern states and its allies
Some additions to our eastern
Some additions to our eastern flora
Aster cordifolius, L. and two
Aster cordifolius, L. and two new varieties
A list of the carices of Penns
A list of the carices of Pennsylvania
Synopsis of the flora of Colorado
Sketch of the botany of Pennsy
Sketch of the botany of Pennsylvania
The Fedias of the northern Uni
The Fedias of the northern United States
German hymnology
List of plants collected by Mr
List of plants collected by Mr. Culbertson