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The Structure & Development of the Mosses & Ferns (Archegoniatae)
Douglas Houghton Campbell
The Development of the Ostrich Fern, Onoclea Struthiopteris
Plant Life and Evolution
Elements of structural and systematic botany, for high schools and elementary college courses
The derivation of the flora of Hawaii
A morphological study of some members of the Genus Pallavicinia
Lectures on the evolution of plants
