Aquilegia - Colorado Native Plant Society. (Colorado Native Plant Society, 2016)

Aquilegia - Colorado Native Plant Society. (Colorado Native Plant Society, 2020)

Arboles frutales y de adorno - Roeding, George Christian, 1868 -1928 (California Nursery Co, 1925)

Arboles Frutales y del bosque parras y arbustos palmeras rosas escojidas - Roeding, George Christian, 1868 -1928 (George C. Roeding, 1905)

The Arboretum bulletin - Arboretum Foundation (Seattle, Wash.) ([University of Washington, 1938)

The Arboretum bulletin - Arboretum Foundation (Seattle, Wash.) ([University of Washington, 1942)

The Arboretum bulletin - Arboretum Foundation (Seattle, Wash.) ([University of Washington, 1943)

The Arboretum bulletin - Arboretum Foundation (Seattle, Wash.) ([University of Washington, 1944)

The Arboretum bulletin - Arboretum Foundation (Seattle, Wash.) ([University of Washington, 1945)

The Arboretum bulletin - Arboretum Foundation (Seattle, Wash.) ([University of Washington, 1946)

The Arboretum bulletin - Arboretum Foundation (Seattle, Wash.) ([University of Washington, 1947)

The Arboretum bulletin - Arboretum Foundation (Seattle, Wash.) ([University of Washington, 1948)

The Arboretum bulletin - Arboretum Foundation (Seattle, Wash.) ([University of Washington, 1949)

The Arboretum bulletin - Arboretum Foundation (Seattle, Wash.) ([University of Washington, 1950)

The Arboretum bulletin - Arboretum Foundation (Seattle, Wash.) ([University of Washington, 1951)

The Arboretum bulletin - Arboretum Foundation (Seattle, Wash.) ([University of Washington, 1952)

The Arboretum bulletin - Arboretum Foundation (Seattle, Wash.) ([University of Washington, 1953)

The Arboretum bulletin - Arboretum Foundation (Seattle, Wash.) ([University of Washington, 1954)

The Arboretum bulletin - Arboretum Foundation (Seattle, Wash.) ([University of Washington, 1955)

The Arboretum bulletin - Arboretum Foundation (Seattle, Wash.) ([University of Washington, 1956)

Arboretum bulletin of the associates - University of Pennsylvania. Morris Arboretum. (The Morris Arboretum of the University of Pennylvania, 1937)

Arboretum et fruticetum britannicum, or : The trees and shrubs of Britain, native and foreign, hardy and half-hardy, pictorially and botanically delineated, and scientifically and popularly described ... - Loudon, J. C. (John Claudius), 1783 -1843 (J.C. Loudon, 1844)

Arboretum et fruticetum Britannicum, or : the trees and shrubs of Britain, native and foreign, hardy and half-hardy, pictorially and botanically delineated, and scientifically and popularly described : with their propagation, culture, management, and uses in the arts, in useful and ornamental plantations, and in landscape gardening : preceded by a historical and geographical outline of the trees and shrubs of temperate climates throughout the world - Loudon, J. C. (John Claudius), 1783 -1843 (Printed for the author, and sold by Longman, Orme, Brown, Green, and Longmans, 1838)

Arboretum et fruticetum britannicum; or, The trees and shrubs of Britain, native and foreign, hardy and half-hardy, pictorially and botanically delineated, and scientifically and popularly described; with their propagation, culture, management, and uses in the arts, in useful and ornamental plantations, and in landscape-gardening; preceded by a historical and geographical outline of the trees and shrubs of temperate climates throughout the world - Loudon, J. C. (John Claudius), 1783 -1843 (Henry G. Bohn, 1854)

Arboretum et fruticetum britannicum, or, The trees and shrubs of Britain, native and foreign, hardy and half-hardy, pictorially and botanically delineated, and scientifically and popularly described ; with their propagation, culture, management, and uses in the arts, in useful and ornamental plantations, and in landscape-gardening ; preceded by a historical and geographical outline of the trees and shrubs of temperate climates throughout the world - Loudon, J. C. (John Claudius), 1783 -1843 (Printed for the author, and sold by Longman, Brown, Green, and Longmans, 1844)

Arboretum Segrezianum : énumération des arbres et arbrisseaux cultivés à Segrez (Seine-et-Oise) comprenant leur synonymie et leur origine avec l̓indication d̓ouvrages dans lesquels ils se trouvent figurés - Lavallée, Alphonse, 1836 -1884 (J.-B. Baillière, 1877)

Arbrisseaux d'ornement pour jardins canadiens - Canada. Department of Agriculture. (Min. de l'Agriculture du Canada, 1962)

Archiv der Pharmazie - Deutscher Apotheker-Verein. (Deutscher Apotheker-Verein, 1877)

Archiv der Pharmazie - Deutscher Apotheker-Verein. (Deutscher Apotheker-Verein, 1868)

Archiv des Vereins der Freunde der Naturgeschichte in Mecklenburg... - Verein der Freunde der Naturgeschichte in Mecklenburg. (Opitz and Company, 1889)

Archiv für Zellforschung - Goldschmidt, Richard, 1878 -1958 (W. Engelmann, 1908)

Archiv für Naturgeschichte (Nicolai, 1843)

Archiv für Naturgeschichte (Nicolai, 1847)

Archiv für Naturgeschichte (Nicolai, 1853)

Archives des sciences physiques et naturelles (A. Cherbuliez, 1861)

Archives des sciences physiques et naturelles (A. Cherbuliez, 1869)

Archives des sciences physiques et naturelles (A. Cherbuliez, 1875)

Archives des sciences physiques et naturelles (A. Cherbuliez, 1877)

Archives néerlandaises des sciences exactes et naturelles. Série 3B, Sciences naturelles - Lotsy, Johannes Paulus, 1867 -1931 (M. Nijhoff pour la Société hollandaise des sciences à Harlem, 1912)

Arctic searching expedition: a journal of a boat-voyage through Rupert's Land and the Arctic Sea, in search of the discovery ships under command of Sir John Franklin. With an appendix on the physical geography of North America - Richardson, John, Sir, 1787 -1865 (Longman, Brown, Green, and Longmans, 1851)

Aristocrats of the garden - Wilson, Ernest Henry, 1876 -1930 (Doubleday, Page & company, 1917)

Armstrong Nurseries - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Armstrong Nurseries, 1938)

Armstrong Nurseries - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Armstrong Nurseries, 1934)

Armstrong Nurseries - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Armstrong Nurseries, 1910)

Armstrong Nurseries - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Armstrong Nurseries, 1909)

Armstrong Nurseries - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Armstrong Nurseries, 1941)

Armstrong Nurseries - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Armstrong Nurseries, 1954)

Armstrong Nurseries - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Armstrong Nurseries, 1917)

Armstrong Nurseries - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Armstrong Nurseries, 1933)

Armstrong Nurseries - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Armstrong Nurseries, 1925)

Armstrong Nurseries - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Armstrong Nurseries, 1915)

Armstrong Nurseries - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Armstrong Nurseries, 1912)

Armstrong Nurseries - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Armstrong Nurseries, 1930)

Armstrong Nurseries - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Armstrong Nurseries, 1953)

Armstrong Nurseries - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Armstrong Nurseries, 1939)

Armstrong Nurseries - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Armstrong Nurseries, 1935)

Armstrong Nurseries - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Armstrong Nurseries, 1911)

Armstrong Nurseries - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Armstrong Nurseries, 1913)

Armstrong Nurseries - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Armstrong Nurseries, 1916)

Armstrong Nurseries - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Armstrong Nurseries, 1919)

Armstrong Nurseries - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Armstrong Nurseries, 1936)

Armstrong Nurseries - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Armstrong Nurseries, 1940)

Armstrong Nurseries - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Armstrong Nurseries, 1932)

Armstrong Nurseries - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Armstrong Nurseries, 1921)

Armstrong Nurseries - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Armstrong Nurseries, 1942)

Armstrong Nurseries - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Armstrong Nurseries, 1946)

Armstrong Nurseries - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Armstrong Nurseries, 1943)

Armstrong Nurseries - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Armstrong Nurseries, 1947)

Armstrong Nurseries - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Armstrong Nurseries, 1924)

Armstrong Nurseries - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Armstrong Nurseries, 1944)

Armstrong Nurseries - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Armstrong Nurseries, 1945)

Armstrong Nurseries, 1914 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Armstrong Nurseries, 1914)

Armstrong nurseries, 1931 : [catalogue] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Armstrong Nurseries, 1931)