| Walter F. Bien |
PH |
Academy of Natural Sciences |
U.S.A. Pennsylvania. Philadelphia. |
Plant community ecology; flora of the New Jersey Pine Barrens; rare plant ecology; synecology of Sphagnum |
| John D. Hall |
PH |
Academy of Natural Sciences |
U.S.A. Pennsylvania. Philadelphia. |
Systematics and evolution of green algae |
| Tatyana Livshultz |
PH |
Academy of Natural Sciences |
U.S.A. Pennsylvania. Philadelphia. |
Apocynaceae sensu lato, especially Dischidia |
| Christine Manville |
PH |
Academy of Natural Sciences |
U.S.A. Pennsylvania. Philadelphia. |
Bryophytes; especially hepatics |
| Richard M. McCourt |
PH |
Academy of Natural Sciences |
U.S.A. Pennsylvania. Philadelphia. |
Green algae; especially molecular phylogenetics of Charophyceae and origin of land plants |
| Elizabeth P. McLean |
PH |
Academy of Natural Sciences |
U.S.A. Pennsylvania. Philadelphia. |
Early history of Pennsylvania botany; especially Philadelphia; colonial and early 19th century botany |
| Terry O'Brien |
PH |
Academy of Natural Sciences |
U.S.A. Pennsylvania. Philadelphia. |
Systematics and ecology of bryophytes; especially mosses |
| Alfred E. Schuyler |
PH |
Academy of Natural Sciences |
U.S.A. Pennsylvania. Philadelphia. |
Systematics and ecology of rare plant species; history of botanical exploration in North America; environmental importance of plant diversity |
| Rachel Wilson |
PH |
Academy of Natural Sciences |
U.S.A. Pennsylvania. Philadelphia. |
Cytology and biochemistry of algae |