The ferns and flowering plants of central Pennsylvania
By: by James Peter Kelly ... authorized by the Council on Research, the Pennsylvania State College.
Series: [Pennsylvania State College] The Pennsylvania state college studies.; vol. II, no. 1
Published: 1937
Place of publication: State College, Pa
Language: eng
Number of pages: 120
Subjects: Botany -- Pennsylvania.; Ferns -- Pennsylvania.
Notes: "Contribution no. 102 from the Department of Botany."