بواسطة Livingston, Burton Edward, 1875- . النوع Phytogeography / United States / Flora / United States / Climate . الأسماء: plants / data / areas / area / soil و 3933 اكثر

بواسطة Hind, Henry Youle, 1823-1908 . النوع Crops and climate / Ontario / Agriculture / Ontario / Cultures et climat و 7 اكثر . الأسماء: soil / wheat / plants / leaves / la و 167 اكثر

بواسطة Hitchcock, Charles H. (Charles Henry), 1836-1919 / Upham, Warren, 1850-1934 / Huntington, Joshua Henry, 1833-1904 / Quimby, Elihu T. (Elihu Thayer), 1826-1890 / Scudder, Samuel Hubbard, 1837-1911 و 3 اكثر . النوع n-us-nh / Geology / New Hampshire / New Hampshire / Climate و 14 اكثر . الأسماء: rock / mica / area / town / areas و 4235 اكثر

بواسطة Pearson, Gustaf Adolph. [from old catalog] . النوع Yellow pines / Forests and forestry / Southwest, New / Southwest, New / Climate . الأسماء: soil / areas / area / mexico / arizona و 125 اكثر