By Gray, Asa, 1810-1888 / Sullivant, William Starling, 1803-1873 . Genre n-us--- / Botany / United States . Names leaves / flowers / calyx / fruit / corolla and 18426 more

By Gray, Asa, 1810-1888 / Sullivant, William Starling, 1803-1873 . Genre n-us--- / Botany / United States . Names leaves / flowers / calyx / fruit / corolla and 18426 more

By Rignano, Eugenio, 1870-1930 / Harvey, Basil Coleman Hyatt, 1875- . Genre Heredity . Names life / simple / animals / order / animal and 1177 more

By Pruessner, August Henry. [from old catalog] . Genre Date-palm. [from old catalog] . Names na / babylonia / la / american / ba and 155 more

By Merritt, Henry Clay, 1831- . Genre Hunting / Game and game-birds . Names life / grass / called / none / sea and 1192 more

By Standley, Paul Carpenter, 1884-1963 . Genre nccr--- / Botany / Costa Rica . Names leaves / america / flowers / costa / fruit and 11816 more

Genre Floriculture / Periodicals . Names plants / flowers / flower / order / smilax and 65545 more

By Loeb, Jacques, 1859-1924 . Genre Physiology / Phototropism / Geotropism / Reproduction / Irritability and 1 more . Names animals / musca / animal / sea / plants and 2685 more

By Loeb, Jacques, 1859-1924 . Genre Physiology / Phototropism / Geotropism / Reproduction / Irritability and 1 more . Names sea / ca / na / musca / bacteria and 2035 more

By Standley, Paul Carpenter, 1884-1963 / Steyermark, Julian A. (Julian Alfred), 1909- . Genre Botany / Guatemala . Names leaves / flowers / america / fruit / apex and 35244 more