Further notes on the flora of the Conowingo or serpentine barrens of southeastern Pennsylvania choess Sun, 11/26/2023 - 02:10 Read more about Further notes on the flora of the Conowingo or serpentine barrens of southeastern Pennsylvania
Flora of the Conowingo Barrens of southeastern Pennsylvania choess Sun, 11/26/2023 - 02:06 Read more about Flora of the Conowingo Barrens of southeastern Pennsylvania
A biosystematic investigation of the Adiantum pedatum complex in eastern North America choess Sat, 11/25/2023 - 23:05 Read more about A biosystematic investigation of the Adiantum pedatum complex in eastern North America
Orthoptera of the serpentine barrens in Chester County, Pa choess Sun, 10/23/2022 - 11:16 Read more about Orthoptera of the serpentine barrens in Chester County, Pa
A history of chromite and copper in Maryland: the Tyson years choess Sun, 10/23/2022 - 11:15 Read more about A history of chromite and copper in Maryland: the Tyson years
Electrophoretic study of the allopolyploidal origin of Talinum teretifolium and the specific status of T. appalachianum (Portulacaceae) choess Sun, 10/23/2022 - 11:09 Read more about Electrophoretic study of the allopolyploidal origin of Talinum teretifolium and the specific status of T. appalachianum (Portulacaceae)
The Unionville, Pennsylvania, corundum mines choess Sun, 10/23/2022 - 11:03 Read more about The Unionville, Pennsylvania, corundum mines
The minerals of Brinton’s Quarry, Chester County, Pa choess Sun, 10/23/2022 - 11:02 Read more about The minerals of Brinton’s Quarry, Chester County, Pa
Secondary succession following fire on a serpentine barren choess Sun, 10/23/2022 - 10:59 Read more about Secondary succession following fire on a serpentine barren
The vegetation of the serpentine barrens in southern Lancaster County, Pennsylvania choess Sun, 10/23/2022 - 10:58 Read more about The vegetation of the serpentine barrens in southern Lancaster County, Pennsylvania