By Gray, Asa, 1810-1888 . Genre Botany / Morphology / Botany / Classification / Botany and 1 more . Names leaves / flower / plants / flowers / axis and 6011 more

By Gray, Asa, 1810-1888 / Gray, Asa,, 1810-1888 / Gray, Asa,, 1810-1888 . Genre n-us--- / Botany / Nomenclature / Botany / United States . Names leaves / flowers / calyx / flower / fruit and 18900 more

By Gray, Asa, 1810-1888 . Genre Plants / Nomenclature . Names leaves / plants / flower / flowers / called and 2948 more

By Gray, Asa, 1810-1888 . Genre Plants / North America . Names leaves / flowers / california / corolla / none and 35845 more

By Gray, Asa, 1810-1888 . Genre Plants / North America . Names calyx / corolla / leaves / flowers / california and 20969 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 Gray, Asa, 1810-1888 / Watson, Sereno, 1826-1892 / Coulter, John Merle, 1851-1928 . Genre n-us--- / Botany / United States . Names leaves / flowers / calyx / none / fruit and 22875 more