Template:Ames, 1905

• Ames, O. 1905. Contributions toward a monograph of the American species of Spiranthes. Pp. 113–156 in Ames (ed.), Orchidaceae: illustrations and studies of the family Orchidaceae. Fascicle I. viii + 156 pp., Boston & New York: Houghton, Mifflin. BHL  
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