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Phytologia - Moldenke, Harold N. (Harold Norman), 1909 -1996 (H.A. Gleason and H.N. Moldenke, 2015)

Phytologia - Moldenke, Harold N. (Harold Norman), 1909 -1996 (H.A. Gleason and H.N. Moldenke, 2017)

The Phytologist: a popular botanical miscellany - Newman, Edward, 1801 -1876 (John van Voorst, 1841)

Phytoneuron (Guy L. Nesom, 2011)

Phytoneuron (Guy L. Nesom, 2012)

Phytoneuron (Guy L. Nesom, 2014)

Phytoneuron (Guy L. Nesom, 2015)

Phytoneuron (Guy L. Nesom, 2020)

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Pinegrass, an important forage in interior B.C - Quinton, Dee A. (Research Branch, Agriculture Canada, 1986)

The pinus contorta vegetation of Banff and Jasper National Parks - University of Alberta. Department of Botany. (University of Alberta, 1969)

Piping plover habitat classification and inventory for selected grassland region lakes - Alberta Land; Forest Services. (Alberta Environment, Land and Forest Service, Resource Data Division, Ecosystem Data Section, 1999)

Plant associations and related botanical inventory of the Beaverhead Mountains Section, Montana - Montana Natural Heritage Program. (Montana Natural Heritage Program, 1999)

Plant associations of region two : potential plant communities of Wyoming, South Dakota, Nebraska, Colorado, and Kansas - Johnston, Barry C. (USDA Forest Service, Rocky Mountain Region, 1987)

Plant associations of the Crooked River National Grassland - United States. Forest Service. Pacific Northwest Region. (USDA, Forest Service, Pacific Northwest Region, 1983)

Plant biomass in the Tanana River basin, Alaska - Pacific Northwest Research Station (Portland, Or.) (U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Research Station, 1995)

Plant communities of Northeastern Montana : a first approximation - Montana Natural Heritage Program. (Montana Natural Heritage Program, 1995)

Plant communities of the Blue Mountains in eastern Oregon and southeastern Washington - United States. Forest Service. (U.S.D.A. Forest Service, Pacific Northwest Region, 1973)

Plant communities of the Kevin Rim, Toole County, Montana : preliminary survey results - Montana Natural Heritage Program. ([Montana Natural Heritage Program], 1990)

The plant community - Churchill, Ethan D. (Reinhold Pub. Corp, 1961)

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Plant community types of sand dunes and sand plains in selected areas of the boreal natural region - Alberta. Alberta Sustainable Resource Development. (The Company, 2005)