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Systematics of Laccaria (Agaricales) in the continental United States and Canada, with discussions on extralimital taxa and descriptions of extant types / Gregory M. Mueller.

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Useful plants of the Siona and Secoya Indians of eastern Ecuador / William T. Vickers, Timothy Plowman.

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Eplingia, a new genus of the Labiatae from Mexico [by] Louis O. Williams.

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Five new species of Brunfelsia from South America (Solanaceae) / Timothy Plowman.

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Publication. Field Columbian Museum.

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Flora of Peru / Alwyn H. Gentry, Dillon Michael O., and Jones Samuel B.

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