The Canadian horticulturist - Fruit Growers' Association of Ontario. (Fruit Growers' Association of Ontario, 1906)

The Canadian journal of science, literature and history (Canadian Institute, 1868-1878, 1873)

The Canadian naturalist and geologist - Natural History Society of Montreal. (B. Dawson, 1868)

The Canadian record of science - Natural History Society of Montreal. (Natural History Society, 1888)

The Canadian record of science - Natural History Society of Montreal. (Natural History Society, 1890)

The Canadian record of science - Natural History Society of Montreal. (Natural History Society, 1892)

Card file of the flora of the Metropolitan Parks - Massachusetts. Metropolitan Park Commission. (1894)

Carnivorous plant newsletter - California State University, Fullerton. Arboretum. (International Carnivorous Plant Society, etc, 2006)

Carters American catalogue : garden and lawn seeds 1920 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Carters Tested Seeds, Inc, 1920)

Cassell's popular gardening - Fish, D. T. (David Taylor), 1824 -1901 (Cassell, 1884)

Cassell's popular gardening - Fish, D. T. (David Taylor), 1824 -1901 (Cassell & company, limited, 1884)

[Catalog] - Horsford's Nurseries. (The Nursery, 1895)

[Catalog] - Kelsey, Harlan P. (Firm) (Keller Flower Gardens)

[Catalog] - Horsford's Nurseries. (The Nursery, 1896)

[Catalog] - Horsford's Nurseries. (The Nursery, 1898)

[Catalog] - Kelsey, Harlan P. (Firm) (Keller Flower Gardens, 1891)

[Catalog] - Kelsey, Harlan P. (Firm) (Keller Flower Gardens, 1897)

[Catalog] - Kelsey, Harlan P. (Firm) (Keller Flower Gardens, 1898)

[Catalog] - Horsford's Nurseries. (The Nursery, 1901)

[Catalog] - Kelsey, Harlan P. (Firm) (Keller Flower Gardens, 1899)

[Catalog] - Kelsey, Harlan P. (Firm) (Keller Flower Gardens, 1900)

[Catalog] - Kelsey, Harlan P. (Firm) (Keller Flower Gardens, 1902)

[Catalog] - Horsford's Nurseries. (The Nursery, 1903)

[Catalog] - Horsford's Nurseries. (The Nursery, 1904)

[Catalog] - Horsford's Nurseries. (The Nursery, 1905)

[Catalog] - Kelsey, Harlan P. (Firm) (Keller Flower Gardens, 1910)

[Catalog] - Kelsey, Harlan P. (Firm) (Keller Flower Gardens, 1911)

[Catalog] - Kelsey, Harlan P. (Firm) (Keller Flower Gardens, 1912)

[Catalog] - Kelsey, Harlan P. (Firm) (Keller Flower Gardens, 1913)

[Catalog] - Kelsey, Harlan P. (Firm) (Keller Flower Gardens, 1914)

[Catalog] - Kelsey, Harlan P. (Firm) (Keller Flower Gardens, 1915)

[Catalog] - Kelsey, Harlan P. (Firm) (Keller Flower Gardens, 1916)

[Catalog] - Kelsey, Harlan P. (Firm) (Keller Flower Gardens, 1917)

[Catalog] - Kelsey, Harlan P. (Firm) (Keller Flower Gardens, 1922)

Catalog 1924 : Vermont's hardiest varieties of fruit trees, berry plants, shade trees, shrubs, vines evergreens perennials - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (George D. Aiken, 1924)

Catalog, 1948-1949 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Orchid Gardens, 1948)

Catalog, 1949 -1950 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Orchid Gardens, 1949)

Catalog, 1950 -1951 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Orchid Gardens, 1950)

Catalog, 1951 -1952 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Orchid Gardens, 1951)

Catalog, 1955 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Orchid Gardens, 1955)

Catalog and price list - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Mitchell Nurseries, 1949)

Catalog and price list - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Mitchell Nurseries, 1954)

Catalog and price list - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Mitchell Nurseries, 1955)

Catalog for 1922 of Vermont's hardiest varieties of fruit trees, berry plants, shade trees, shrubs, vines evergreens perennials - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (George D. Aiken, 1922)

Catalog for 1923 of Vermont's hardiest varieties of fruit trees, berry plants, shade trees, shrubs, vines evergreens perennials - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (George D. Aiken, 1923)

Catalog. Kelsey's rhododendrons, azaleas and other hardy native American plants Fall, 1911 spring, 1912 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Harlan P. Kelsey, 1911)

Catalog. Kelsey's rhododendrons, azaleas and other hardy native American plants Fall, 1914 spring, 1915 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Harlan P. Kelsey, 1914)

Catalog of Boxford Nursery - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Harlan P. Kelsey, 1913)

Catalog of Boxford Nursery : Kelsey's hardy American plants, rhododendrons, azaleas and specimen evergreens : fall 1914-spring 1915 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Harlan P. Kelsey, 1914)

Catalog of seed, seedlings, plants, hardy ferns, native plants - Brook-in-Wood Gardens. (Brook-in-Wood Gardens)

Catalog of seed, seedlings, plants, hardy ferns, native plants - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Brook-in-Wood Gardens, 1927)

Catalog of seeds : my forty fifth year No. 12 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Harry E. Saier, 1955)

Catalog of seeds. my forty seventh year No. 18, December 1958 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Harry E. Saier, 1958)

Catalog of seeds : my forty sixth year No. 15 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Harry E. Saier, 1957)

A catalog of the Palisades popular perennials : trees, shrubs and fruits, new and rare hardy plants of merit - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Palisades Nurseries, 1912)

Catalogue & price list - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Mitchell Nurseries, Inc, 1942)

Catalogue and price list - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Mitchell Nurseries, Inc, 1944)

Catalogue and price list - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Mitchell Nurseries, Inc, 1946)

Catalogue no. 132, 1935-1936 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Siebenthaler Company, 1935)

Catalogue no. 134, 1937 : trees, shrubs, vines, evergreens-perennials, roses, garden supplies - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Siebenthaler Company, 1937)

Catalogue of American indigenous trees, plants, and seeds, for sale by William Prince, at his nursery, near New-York - Wm. R. Prince & Co. (Wm. R. Prince & Co, 1819)

A catalogue of American seeds - M'Mahon, Bernard, 1775? -1816 (Printed by William Duane, 1804)

Catalogue of American trees, plants, and seeds, for sale by William Prince, at his nursery, near New-York - Wm. R. Prince & Co. (Wm. R. Prince & Co, 1818)

Catalogue of Canadian plants ... - Kindberg, N. C. (Nils Conrad), 1832 -1910 (1883)

Catalogue of Dutch bulbs - Grullemans, J.J. & Sons. (J.J. Grullemans & Sons, 1909)

Catalogue of Dutch bulbs - Grullemans, J.J. & Sons. (J.J. Grullemans & Sons, 1911)

Catalogue of Dutch bulbs - Grullemans, J.J. & Sons. (J.J. Grullemans & Sons, 1910)

Catalogue of Dutch bulbs - Grullemans, J.J. & Sons. (J.J. Grullemans & Sons, 1908)

Catalogue of Dutch bulbs - Grullemans, J.J. & Sons. (J.J. Grullemans & Sons, 1907)

Catalogue of Dutch bulbs - Grullemans, J.J. & Sons. (J.J. Grullemans & Sons, 1912)

Catalogue of hardy herbaceous plants, ferns and shrubs - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Reading Nursery, 1885)

Catalogue of hardy ornamental trees, shrubs, and vines, hardy flowers and large and small fruits - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Reading Nursery, 1894)

Catalogue of hardy ornamental trees, shrubs, and vines, hardy flowers and large and small fruits - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Reading Nursery, 1895)

Catalogue of hardy ornamental trees, shrubs, and vines, hardy flowers and large and small fruits - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Reading Nursery, 1901)

Catalogue of herbaceous perennials, alpine and bog plants, evergreens, deciduous trees, shrubs, and rhododendrons, orchard and small fruits - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Geo. C. Woolson, 1917)

[Catalogue of Michigan plants] - Engelmann, George, 1809 -1884 (s.n, 1865)

Catalogue of ornamental shrubs : trees, roses, fruits - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (E.E. Randall, 1923)

Catalogue of phaenogamous and acrogenous plants found growing wild in the lower peninsula of Michigan and the islands at the head of Lake Huron - Winchell, N. H. 1839 -1914 (Hosmer & Kerr, Printers to the State, 1861)

Catalogue of plants, trees, shrubs, &c - Menand, Louis, 1807 -1900 (Charles Van Benthuysen & Sons [printer], 1869)

Catalogue of rare water lilies and other choice aquatic plants with careful directions for their culture : also, a list of greenhouse and bedding plants - Sturtevant, Edmund D. (Edmund D. Sturtevant, 1885)

Catalogue of rare water lilies and other choice aquatic plants - Sturtevant, Edmund D. (MacCrellish & Quigley, printers, 1885)

Catalogue of seed, seedlings, plants, hardy ferns, native plants - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Brook-in-Wood Gardens, 1928)

Catalogue of the Bellevue Nursery : 33rd year - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Wm. F. Bassett & Son, 1897)

A catalogue of the birds of the Virginias - Rives, William Cabell, 1850 -1938 (Printed for the Society by T.T. Pitman, 1890)

Catalogue of the cabinet of natural history of the state of New York, and of the historical and antiquarian collection annexed thereto - Hall, James, 1811 -1898 (C. Van Benthuysen, printer, 1853)

Catalogue of the Cabinet of Natural History of the State of New York : and of the historical and antiquarian collection annexed thereto - Torrey, John, 1796 -1873 (Printed by order of the Regents of the University [by] C. Van Benthuysen, 1853)

Catalogue of the flowering plants and ferns of Connecticut growing without cultivation - Harger, Edgar Burton, 1867 - (Printed for the State Geological and Natural History Survey, 1910)

Catalogue of the flowering plants and ferns of Connecticut growing without cultivation - Graves, Charles Burr, 1860 -1936 (Printed for the State Geological and Natural History Survey, 1910)

Catalogue of the flowering plants and ferns of Connecticut growing without cultivation - Graves, Charles Burr, 1860 -1936 (Printed for the State Geological and Natural History SUrvey, 1910)

A catalogue of the flowering plants and of the ferns and their allies indigenous to Indiana - Coulter, Stanley, 1855 -1943 (1900)

A catalogue of the flowering plants and vascular cryptogams, found in and near Lackawanna and Wyoming valleys - Dudley, William Russel, 1849 -1911 (E. B. Yordy, 1892)

Catalogue of the native and naturalized plants of the city of Buffalo and its vicinity - Day, David F. (David Fisher) (Baker, Jones, 1883)

Catalogue of the phaenogamous and acrogenous plants of Suffolk County, Long Island - Miller, Elihu Sanford, 1848 -1940 (Wm. A. Overton, 1874)

Catalogue of the phaenogamous and vascular cryptogamous plants of Michigan, indigenous, naturalized, and adventive - Smith, Erwin F. (Erwin Frink), 1854 -1927 (W. S. George, 1881)

Catalogue of the phanerogams and ferns of Licking County, Ohio - Jones, Herbert Lyon, 1866 -1898 (Press of Granville Times, 1892)

Catalogue of the plants found in New Bedford and its vicinity; arranged according to the season of their flowering - Hervey, E. W. (Eliphalet Williams), 1834 -1925 (E. Anthony, 1860)

A catalogue of the plants found in New Bedford and its vicinity : arranged according to the season of their flowering - Hervey, E. W. (Eliphalet Williams), 1834 -1925 (Press of E. Anthony, 1860)

A catalogue of trees, shrubs and herbaceous plants, indigenous to the United States of America - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Printed by Bartram and Reynolds, 1807)

Catalogue of trees, shrubs, evergreens, roses, vines and herbaceous perennials - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (New England Nurseries, 1913)

The Cayuga flora. Part I, A catalogue of the phaenogamia growing without cultivation in the Cayuga Lake basin - Dudley, William Russel, 1849 -1911 (Andrus & Church, 1886)

C.E. Hobb's botanical hand-book of common local, English, botanical and pharmacopoeial names arranged in alphabetical order, of most of the crude vegetable drugs, etc., in common use : especially designed as a reference book for druggists and apothecaries - Hobbs, Charles E. (Printed by C.C. Roberts, 1876)

C.E. Hobbs' Botanical hand-book : of common local, English, botanical and pharmacopœial names arranged in alphabetical order, of most of the crude vegetable drugs, etc., in common use : their properties, productions and uses in an abbreviated form : especially designed as a reference book for druggists and apothecaries - Hobbs, Charles E. (Printed by C.C. Roberts, 1876)

Cent fleurs de mon herbier : études sur le monde végétal à la portée de tous ; suivies d'un calendrier de la flore de la province de Québec - Massicotte, E.-Z. (Édouard-Zotique), 1867 -1947 (Beauchemin, 1912)

The century book of gardening; a comprehensive work for every lover of the garden - Cook, E. T. (Ernest Thomas), 1867 -1915 (The Offices of "Country life" [etc, 1900)

The changing Illinois environment : critical trends : technical report of the Critical Trends Assessment Project - Illinois. Dept. of Energy; Natural Resources. (Ill. Dept. of Energy and Natural Resources, 1994)

The Chautauqua flora : a catalogue of the plants of Chautauqua Co., New York, native or naturalized ; extending through the cryptogamous plants, to the end of the Hepaticae - Burgess, Edward Sandford, 1855 -1928 ([E.S. Burgess?], 1877)

Check list of Canadian plants - Macoun, James Melville, 1862 -1920 (s.n.], 1889)

Check list of Canadian plants - Macoun, James Melville, 1862 -1920 (Printed by Cunningham & Lindsay, 1889)

Check list of plants housed in the Forest Service, Southern Region, Herbarium - United States. Forest Service. Southern Region. Herbarium. (U.S. Dept. of Agriculture, Forest Service, Southern Region, 1982)

Checklist of CITES Species and Annotated CITES Appendices and Reservations - Inskipp, Tim (CITES Secretariat, UNEP-WCMC, 2005)

A checklist of New York State plants - Mitchell, Richard S., 1938 - (University of the State of New York, State Education Dept, 1986)

Checklist of plants of the Ottawa District - Gillett, John M. (John Montague), 1918 -2014 (1958)

Checklist of the vascular plants of Alabama from the John D. Freeman Herbarium and the University of Alabama Herbarium - Morton, Cynthia M. (Carnegie Museum of Natural History, 2002)

Checklist of vascular plants of the Ottawa-Hull region, Canada = Liste des plantes vasculaires de la râegion d'Ottawa-Hull, Canada - Gillett, John M. (John Montague), 1918 -2014 (National Museum of Natural Sciences, National Museums of Canada, 1978)

Children's gardens for school and home; a manual of cooperative gardening - Miller, Louise Klein. (D. Appleton, 1904)

Children's gardens for school and home : a manual of cooperative gardening - Miller, Louise Klein. (Appleton, 1904)

Choice flower bulbs for Autumn 1928 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Edward A. Manda, 1928)

Choice flower bulbs for autumn 1929 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Edward A. Manda, 1929)

Choice flower bulbs for autumn 1930 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Edward A. Manda, 1930)

Choice flower bulbs for autumn 1931 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Edward A. Manda, 1931)

A choice list of choice perennials - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Paramount Gardens, 1937)

Choice plants for your garden : 1935 catalog and price list - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Berkeley Horticultural Nursery, 1935)

Choice wild plants - Hopedale Nurseries. (Hopedale Nurseries, 1915)

Choice wild plants - Hopedale Nurseries. (Hopedale Nurseries)

Choice wild plants collected from their native haunts - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hopedale Nurseries, 1916)

Choice wild plants collected from their native haunts - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hopedale Nurseries, 1929)

Choice wild plants collected from their native haunts - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hopedale Nurseries, 1928)

Choice wild plants collected from their native haunts - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hopedale Nurseries, 1927)

Choice wild plants collected from their native haunts - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hopedale Nurseries, 1923)

Choice wild plants collected from their native haunts - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hopedale Nurseries, 1921)

Choice wild plants collected from their native haunts, or grown by Hopedale Nurseries, 1932-3 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hopedale Nurseries, 1932)

Choice wild plants collected from their native haunts or grown by Hopedale Nurseries [price list] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hopedale Nurseries, 1930)

Choice wildings from here and there : [catalog] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Iris Acres, 1927)

Chronological history of plants : man's record of his own existence illustrated through their names, uses, and companionship - Pickering, Charles, 1805 -1878 (Little, Brown & company, 1879)

Chronological history of plants: man's record of his own existence illustrated through their names, uses, and companionship - Pickering, Charles, 1805 -1878 (Little, Brown & company, 1879)

Class-book of botany : being outlines of the structure, physiology and classification of plants : with a flora of the United States and Canada - Wood, Alphonso, 1810 -1881 (A.S. Barnes & Burr, 1861)

Class-book of botany : being outlines of the structure, physiology, and classification of plants ; with a flora of the United States and Canada - Wood, Alphonso, 1810 -1881 (A. S. Barnes & Burr, 1860)

Class-book of botany : being outlines of the structure, physiology and classification of plants : with a flora of the United States and Canada - Wood, Alphonso, 1810 -1881 (A. S. Barnes & Burr, 1863)

Class-book of botany : being outlines of the structure, physiology, and classification of plants : with a flora of the United States and Canada - Wood, Alphonso, 1810 -1881 (A.S. Barnes & Co, 1874)

Class book of botany. Being outlines of the structure, physiology and classification of plants. With a flora of all parts of the United States and Canada - Wood, Alphonso, 1810 -1881 (A.S. Barnes & Burr, 1860)

Class-book of botany: being outlines of the structure, physiology, and classification of plants; with a flora of the United States and Canada - Wood, Alphonso, 1810 -1881 (A. S. Barnes & co, 1869)

Class-book of botany being outlines of the structures, physiology, and classification of plants : with a flora of the United States and Canada - Wood, Alphonso, 1810 -1881 (American Book Co, 1881)

Collectanea botanica, or, Figures and botanical illustrations of rare and curious exotic plants - Lindley, John, 1799 -1865 (Printed by Richard and Arthur Taylor, Shoe-Lane, sold by J. and A. Arch, 1821)

Collected hardy native ornamentals : rhododendrons, kalmias, azaleas, cypripediums, lilies, trilliums, shortia, iris, ferns, etc - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Appalachian Nursery, 1916)

Collected northern grown evergreens : ferns, orchids, plants, trees, shrubs, vines : wholesale list, 1941 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (William Crosby Horsford, 1941)

Collected northern grown evergreens : wholesale list - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (William Crosby Horsford, 1947)

Collected northern grown evergreens : wholesale list - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (William Crosby Horsford, 1948)

Collected northern grown evergreens : wholesale list - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (William Crosby Horsford, 1949)

Collected northern grown evergreens : wholesale list - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (William Crosby Horsford, 1950)

Collected northern grown evergreens : wholesale list - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (William Crosby Horsford, 1951)

Collected northern grown evergreens : wholesale list - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (William Crosby Horsford, 1952)

Collected northern grown evergreens : wholesale list - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (William Crosby Horsford, 1953)

Collected northern grown evergreens : wholesale list - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (William Crosby Horsford, 1955)

Collected northern grown evergreens : wholesale list - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (William Crosby Horsford, 1956)

Collected northern grown evergreens : wholesale list - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (William Crosby Horsford, 1958)

Common and scientific names of weeds in Canada = Noms populaires et scientifiques des plantes nuisibles du Canada - Darbyshire, S. J. (Agriculture and Agri-Food Canada = Agriculture et agroalimentaire Canada, 2000)

A complete dictionary of practical gardening : comprehending all the modern improvements in the art : whether in the raising of the various esculent vegetables, or in the forcing and managing of different sorts of fruits and plants, and that of laying out, ornamenting, and planting, gardens and pleasure grounds: with correct engravings ... from original drawings by Sydenham Edwards - Dickson, R. W. (Printed for George Kearsley ... by R. Taylor, 1807)

A complete dictionary of practical gardening: comprehending all the modern improvements in the art; whether in the raising of the various esculent vegetables, or in the forcing and managing of different sorts of fruits and plants, and that of laying out, ornamenting, and planting, gardens and pleasure grounds: with correct engravings ... from original drawings by Sydenham Edwards - Dickson, R. W. (1807)

The complete home landscape - Jennings, Arthur J. (A. T. De La Mare, 1924)

Comprehensive plan for the Illinois Nature Preserves System - Illinois. Dept. of Conservation. (Illinois Nature Preserves Commission, 1972)

Condensed price list of best materials for landscape making, American and foreign - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hardy Evergreen Gardens, 1925)

Conservation assessment for Cypripedium fasciculatum Kellogg ex S.Watson - United States. Bureau of Land Management. (USDA, Forest Service, Region 6 and USDI Bureau of Land Management, Oregon and Washington, 2005)