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Filters: First Letter Of Last Name is P and Author is Piehl, Martin A. [Clear All Filters]
The natural history and taxonomy of Comandra (Santalaceae). Memoirs of the Torrey Botanical Club. 22:1-97.. 1965.
Records of Michigan vascular plants, with primary reference to the Mackinac Straits region. Michigan Botanist. 3:39-44.. 1964.
Mode of attachment, haustorium structure, and hosts of Pedicularis canadensis. American Journal of Botany. 50:978-985.. 1963.
The parasitic behavior of Melampyrum lineare and a note on its seed color. Rhodora. 64(757):15-23.. 1962.