James S. Pringle

• An introduction to wetland classification in the Great Lakes region
• Common names of vascular plants reported by C.S. Rafinesque in an 1819 descriptive outline of four vegetation regions of Kentucky
• Gentiana puberulenta sp. nov., a known but unnamed species of the North American prairies
• Hybridization in Gentiana (Gentianaceae)
• Lonicera maackii (Caprifoliaceae) adventive in Ontario
• Noble and Independent Course
• Preliminary reports on the flora of Wisconsin
• Taxonomy and distribution of Clematis, Sect. Atragene (Ranunculaceae), in North America
• The common Solidago species (goldenrods) of southern Ontario
• The spread of Vincetoxicum species (Asclepiadaceae) in Ontario
• The trilliums of Ontario
• Wolffia species in the Royal Botanical Gardens marshes