Phytoneuron (Guy L. Nesom, 2015)

Phytoneuron (Guy L. Nesom, 2017)

Phytoneuron (Guy L. Nesom, 2018)

Phytoneuron (Guy L. Nesom, 2019)

Phytoneuron (Guy L. Nesom, 2020)

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

The pinetum: being a synopsis of all the coniferous plants at present known, with descriptions, history and synonyms, and a comprehensive systematic index - Gordon, George, 1806 -1879 (Henry G. Bohn, 1880)

The pipevine - California Native Plant Society. Mount Lassen Chapter. (Mount Lassen Chapter, California Native Plant Society, 2011)

The pipevine - California Native Plant Society. Mount Lassen Chapter. (Mount Lassen Chapter, California Native Plant Society, 2013)

The pipevine - California Native Plant Society. Mount Lassen Chapter. (Mount Lassen Chapter, California Native Plant Society, 2014)

The pipevine - California Native Plant Society. Mount Lassen Chapter. (Mount Lassen Chapter, California Native Plant Society, 2016)

Plant characterization abstracts : sensitive plant species, USDA Forest Service, Region 1 - Montana Natural Heritage Program. ([Montana Natural Heritage Program], 1996)

Plant community classification for alpine vegetation on Beaverhead National Forest, Montana - Lesica, Peter. ([Beaverhead-Deerlodge National Forest], 1992)

Plant community classification for alpine vegetation on Beaverhead National Forest, Montana - Lesica, Peter. ([Beaverhead-Deerlodge National Forest ], 1995)

Plant community classification for alpine vegetation on the Beaverhead National Forest, Montana - Lesica, Peter. (U.S. Dept. of Agriculture, Forest Service, Intermountain Research Station, 1997)

Plant covering of Ocracoke Island; a study in the ecology of the North Carolina strand vegetation - Kearney, Thomas H. (Thomas Henry), 1874 -1956 (Gov't Print. Off, 1900)

The plant disease reporter - United States. Bureau of Plant Industry. (Bureau of Plant Industry, U.S. Dept. of Agriculture, 1942)

Plant Gene Resources of Canada, list of species available for seed exchanges = Les Ressources phytogénétiques du Canada, liste d'espèces (graines) offertes en échange - Baillargeon, Guy, 1953 - (Agriculture Canada, Research Branch, 1991)

Plant immigrants - United States. Office of Foreign Seed; Plant Introduction. (Office of Foreign Seed and Plant Introduction, 1913)

Plant immigrants - United States. Office of Foreign Seed; Plant Introduction. (Office of Foreign Seed and Plant Introduction, 1914)

Plant immigrants - United States. Office of Foreign Seed; Plant Introduction. (Office of Foreign Seed and Plant Introduction, 1915)

Plant immigrants - United States. Office of Foreign Seed; Plant Introduction. (Office of Foreign Seed and Plant Introduction, 1916)

Plant immigrants - United States. Office of Foreign Seed; Plant Introduction. (Office of Foreign Seed and Plant Introduction, 1917)

Plant immigrants - United States. Office of Foreign Seed; Plant Introduction. (Office of Foreign Seed and Plant Introduction, 1918)

Plant immigrants - United States. Office of Foreign Seed; Plant Introduction. (Office of Foreign Seed and Plant Introduction, 1919)