D. P. (David Pearce) Penhallow – författare

Elementary Botany [microform]

Manual of the More Common Herbaceous Plants of Quebec and Ontario [microform]

for Use in Connection With Groom's Botany

Notes on Devonian Plants [microform]

Botanical Collector's Guide [microform]

a Manual for Students and Collectors, Containing Directions for the Collection and Preservation of Plants and the Formation of a Herbarium

Myelopteris Topekensis, N. Sp. [microform]

Elementary Botany [microform]

Review of Canadian Botany From 1800 to 1895 [microform]

Manual of the North American Gymnosperms [microform]

Exclusive of the Cycadales but Together With Certain Exotic Species