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Anatomy and distribution of secretory glands and other emergences in Tofieldia (Liliaceae). Annals of Botany. 41:879-882.. 1977.
A comparative study of generation from isolated gametophytic tissues in Mnium. The Bryologist. 64:37-47.. 1961.
Heterophylly in Populus grandidentata (Salicaceae) with emphasis on resin glands and extrafloral nectaries. American Journal of Botany. 65:1003-1010.. 1978.
Morphology and anatomy of resin glands in Salix lucida (Salicaceae). American Journal of Botany. 67:1289-1296.. 1980.
A note on the sexual condition in Mnium spinulosum. The Bryologist. 63:245-246.. 1960.
Preliminary report of outer wall helices in trichomes of certain dicots. Canadian Journal of Botany. 55:128-132.. 1977.