The Pennsylvania Academy of Science-thirty years in retrospectFrank D. Kern · First published 1954Open the Tome
A biologic and taxonomic study of the genus Gymnosporangium ...Frank D. Kern · First published 1911Open the Tome
Prediction of relationships among some parasitic fungiFrank D. Kern · First published 1910Open the Tome
The morphology of the peridial cells in the RoesteliaeFrank D. Kern · First published 1910Open the Tome
The existence of Roestelia penicillata and its telial phase in North AmericaFrank D. Kern · First published 1908Open the Tome
New western species of gymnosporangium and roesteliaFrank D. Kern · First published 1907Open the Tome
