The Philippine journal of science - Philippines. National Science Development Board. (Bureau of Science, 1923)

[Photograph album of the first plant expedition in China of Frank N. Meyers - United States. Office of Foreign Seed; Plant Introduction. (1908)

PHS news - Pennsylvania Horticultural Society. (The Society, 1986)

Phytogeographic survey of North America. A consideration of the phytogeography of the North American continent, including Mexico, Central America and the West Indies, together with the evolution of North American plant distribution - Harshberger, John W. (John William), 1869 -1929 (W. Engelmann, 1911)

Phytogeography of Nebraska. 1. General survey by Roscoe Pound and Frederic E. Clements - Clements, Frederic E. (Frederic Edward), 1874 -1945 (Published by the Seminar, 1900)

Phytologia - Moldenke, Harold N. (Harold Norman), 1909 -1996 (H.A. Gleason and H.N. Moldenke, 1941)

Phytologia - Moldenke, Harold N. (Harold Norman), 1909 -1996 (H.A. Gleason and H.N. Moldenke, 1963)

Phytologia - Moldenke, Harold N. (Harold Norman), 1909 -1996 (H.A. Gleason and H.N. Moldenke, 1965)

Phytologia - Moldenke, Harold N. (Harold Norman), 1909 -1996 (H.A. Gleason and H.N. Moldenke, 1972)

Phytologia - Moldenke, Harold N. (Harold Norman), 1909 -1996 (H.A. Gleason and H.N. Moldenke, 1976)

Phytologia - Moldenke, Harold N. (Harold Norman), 1909 -1996 (H.A. Gleason and H.N. Moldenke, 1978)

Phytologia - Moldenke, Harold N. (Harold Norman), 1909 -1996 (H.A. Gleason and H.N. Moldenke, 1980)

Phytologia - Moldenke, Harold N. (Harold Norman), 1909 -1996 (H.A. Gleason and H.N. Moldenke, 1981)

Phytologia - Moldenke, Harold N. (Harold Norman), 1909 -1996 (H.A. Gleason and H.N. Moldenke, 1982)

Phytologia - Moldenke, Harold N. (Harold Norman), 1909 -1996 (H.A. Gleason and H.N. Moldenke, 1983)

Phytologia - Moldenke, Harold N. (Harold Norman), 1909 -1996 (H.A. Gleason and H.N. Moldenke, 1984)

Phytologia - Moldenke, Harold N. (Harold Norman), 1909 -1996 (H.A. Gleason and H.N. Moldenke, 1985)

Phytologia - Moldenke, Harold N. (Harold Norman), 1909 -1996 (H.A. Gleason and H.N. Moldenke, 1986)

Phytologia - Moldenke, Harold N. (Harold Norman), 1909 -1996 (H.A. Gleason and H.N. Moldenke, 1989)

Phytologia - Moldenke, Harold N. (Harold Norman), 1909 -1996 (H.A. Gleason and H.N. Moldenke, 1991)

Phytologia - Moldenke, Harold N. (Harold Norman), 1909 -1996 (H.A. Gleason and H.N. Moldenke, 1992)

Phytologia - Moldenke, Harold N. (Harold Norman), 1909 -1996 (H.A. Gleason and H.N. Moldenke, 1994)

Phytologia - Moldenke, Harold N. (Harold Norman), 1909 -1996 (H.A. Gleason and H.N. Moldenke, 1995)

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

Phytologia - Moldenke, Harold N. (Harold Norman), 1909 -1996 (H.A. Gleason and H.N. Moldenke, 1997)

Phytologia - Moldenke, Harold N. (Harold Norman), 1909 -1996 (H.A. Gleason and H.N. Moldenke, 1998)

Phytologia - Moldenke, Harold N. (Harold Norman), 1909 -1996 (H.A. Gleason and H.N. Moldenke, 2007)

Phytoneuron (Guy L. Nesom, 2013)

Phytoneuron (Guy L. Nesom, 2014)

Phytoneuron (Guy L. Nesom, 2015)

Phytoneuron (Guy L. Nesom, 2017)

Phytoneuron (Guy L. Nesom, 2020)

Le piante vascolari raccolte dal Rev. P.C. Silvestri nell'Hu-peh, durante gli anni 1904-1907 (e negli anni 1909, 1910) - Silvestri, Cipriano. (Pellas, 1911)

The "Pine tree" news. Volume 2, number 3 / Albert Dickinson Company - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Albert Dickinson Company, 1926)

The "Pine tree" news. Volume 1, number 34, Experiment stations say always inoculate soy beans / Albert Dickinson Company - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Albert Dickinson Company, 1926)

The Pine tree news. Volume 1, number 32, Pine tree genuine Grimm alfalfa / Albert Dickinson Company - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Albert Dickinson Company, 1926)

Pittman & Harrison Co. seeds - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Pittman & Harrison Company, 1919)

The plain truth about Hare brand seeds for 1921 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Harris Seed and Floral Co, 1921)

The plain truth about seed. 1916 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (McVay Seed & Floral Co, 1916)

The plain truth about seed. 1916 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (McVay Seed & Floral Co, 1917)

The plain truth about seed - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (McVay Seed Co, 1913)

The plain truth about seed - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (McVay Seed Co, 1914)

The plain truth about seed. 1918 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (McVay Seed & Floral Company (Incorporated), 1918)

Plant & eat vegetables for health : 1936, forty-third annual catalog - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Aggeler & Musser Seed Co, 1936)

Plant a freedom garden in 1948 use Hall's premium seeds - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hall Seed Company, Incorporated, 1948)

Plant a garden for national defense : plant Hardie's dependable vegetable seed - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (David Hardie Seed Company, 1942)

Plant a vegetable garden for victory : Hardie's dependable vegetable seed - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (David Hardie Seed Company, 1944)

Plant a vegetable garden for victory : Jackson's seed for every need - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (O.P. Jackson Seed Company, 1943)

Plant a victory garden with our hormone treated seeds - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (St. Louis Seed Co, 1944)

Plant a victory garden with Tait's thorobred seeds : 74th annual catalog, 1943 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Geo. Tait & Sons, 1943)

Plant and seed list : spring price list - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Horton Greenhouse, 1938)

Plant and seed list : spring price list - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Horton Greenhouse, 1939)

Plant and seed list : spring price list - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Horton Greenhouse, 1940)

Plant blue ribbon seeds : the gateway to success - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Woods, Stubbs & Co, 1911)

Plant coastal Bermuda grass now! - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (R.E. Lambert & Sons, 1954)

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

Plant culture; a working hand-book of every day practice for all who grow flowering and ornamental plants in the garden and greenhouse - Oliver, George W. (George Watson), 1858 -1923 (A. T. De La Mare Printing and Publishing Co., Ltd, 1909)

Plant culture; a working handbook of every day practice for all who grow flowering and ornamental plants in the garden and greenhouse - Oliver, George W. (George Watson), 1858 -1923 (A. T. De La Mare Printing and Publishing Co, 1900)

Plant culture; a working handbook of every day practice for all who grow flowering and ornamental plants in the garden and greenhouse - Hottes, Alfred Carl, 1891 -1955 (A. T. De La Mare Co., Inc, 1921)

Plant culture; a working hand-book of every day practice for all who grow flowering and ornamental plants in the garden and greenhouse - Oliver, George W. (George Watson), 1858 -1923 (A. T. De La Mare Printing and Publishing Co, 1912)

Plant culture; a working handbook of every day practice for all who grow flowering and ornamental plants in the garden and greenhouse - Hottes, Alfred Carl, 1891 -1955 (A. T. De La Mare co., inc, 1921)

Plant disease Fungi - Stevens, Frank Lincoln, 1871 -1934 (The Macmillan company, 1925)

Plant diseases in West Virginia in 1928 - Archer, W. Andrew (William Andrew), 1894 -1973 (Office of Mycology and Disease Survey, Bureau of Plant Industry, United States Department of Agriculture, 1929)

Plant for profits : field flower & garden seeds - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Magnolia Seed Co, 1935)

Plant Hardie's seed for hardy plants - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (David Hardie Seed Company, 1947)

Plant Hardie's seed for hardy plants : garden for victory - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (David Hardie Seed Company, 1945)

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, 1916)

Plant immigrants - United States. Office of Foreign Seed; Plant Introduction. (Office of Foreign Seed and Plant Introduction, 1920)

Plant introductions - United States. Office of Foreign Plant Introduction. (Office of Foreign Seed and Plant Introduction, Bureau of Plant Industry, U.S. Dept. of Agriculture, 1932)

Plant inventory - United States. Agricultural Research Service. (Northeastern Region, Agricultural Research Center-West, 1923)

Plant inventory - United States. Agricultural Research Service. (Northeastern Region, Agricultural Research Center-West, 1929)