By Gray, Asa, 1810-1888 . Genre Botany / Botany / United States . Names leaves / flowers / calyx / fruit / corolla and 18983 more

By Gray, Asa, 1810-1888 / Bailey, L. H. (Liberty Hyde), 1858-1954 / Gray, Asa,, 1810-1888 . Genre n-use-- / Botany / United States . Names leaves / flowers / calyx / fruit / flower and 16799 more

By Gray, Asa, 1810-1888 . Genre Botany . Names leaves / plants / flower / flowers / called and 2866 more

By Brewer, William Henry, 1828-1910 / Watson, Sereno, 1826-1892 / Gray, Asa, 1810-1888 . Genre n-us-ca / Botany / California . Names leaves / calyx / flowers / corolla / nevada and 23562 more

By Gray, Asa, 1810-1888 / Robinson, Benjamin Lincoln, 1864- / Fernald, Merritt Lyndon, 1873-1950 . Genre n-us--- / Botany / United States . Names leaves / flowers / calyx / fruit / none and 31844 more

By Gray, Asa, 1810-1888 / Gray, Jane (Loring) / Gray, Asa, 1810-1888 . Genre n-us--- / Gray, Asa1810-1888 / Biography / Botanists / United States and 1 more . Names plants / town / called / american / none and 1481 more

By Gray, Asa, 1810-1888 / Gray, Jane (Loring) / Gray, Asa, 1810-1888 . Genre n-us--- / Gray, Asa1810-1888 / Biography / Botanists / United States and 1 more . Names america / plants / american / paris / life and 2184 more

By Gray, Asa, 1810-1888 / Sargent, Charles Sprague, 1841-1927 . Genre Plants / Botanists . Names plants / american / flowers / america / order and 4060 more

By Darwin, Charles, 1809-1882 / Gray, Asa, 1810-1888 . Genre Variation (Biology) / Domestic animals / Plants, Cultivated . Names plants / rock / flowers / fruit / animals and 4099 more

By Gray, Asa, 1810-1888 / Brewer, William Henry, 1828-1910 / Anderson, Charles L. (Charles Lewis), 1827-1910 / Gray, Asa,, 1810-1888 . Genre Plants / California / Plants / Nevada / Plants and 5 more . Names leaves / nevada / flowers / american / calyx and 803 more