By Patterson, Bryan, 1909-1979 / Segall, Walter, 1900- / Turnbull, William D. . Genre Ear / Xenarthra, Fossil . Names priodontes / euphractus / bulla / argentina / armadillo and 748 more

By Engel, John J. / Schuster, Rudolf Mathias, 1921- . Genre u-at--- / u-nz--- / a-nw--- / Liverworts / Classification and 4 more . Names telaranea / leaves / lepidozia / neolepidozia / telaranea grossiseta and 151 more

By Williams, Louis Otho, 1908- . Genre Scrophylariaceae . Names scrophulariaceae / s f / verbenaceae / schlegelia / bignoniaceae and 102 more

By Williams, Louis Otho, 1908- . Genre nc----- / Botany / Central America / Tropical plants / Central America . Names leaves / type / corolla / flowers / mexico and 945 more

By Singer, Rolf. . Genre Basidomycetes / Classification / Agaricales / Classification . Names alba / vix / koh / agaricales / la and 2384 more

By Stuessy, Tod F. . Genre cl----- / Lagascea / Botany / Latin America / Classification . Names lagascea / mexico / leaves / nocca / type and 1552 more

By Burger, William C. . Genre Piperaceae / Casuarinaceae / Botany / Costa Rica . Names apex / leaves / fruit / nodes / lamina and 7036 more

By Williams, Louis Otho, 1908- . Genre n-mx--- / nc----- / Hoffmannia / Botany / Mexico and 2 more . Names corolla / hoffmannia / type / calyx / molina and 250 more

By Burger, William C. / Huft, Michael. . Genre Botany / Costa Rica / Classification / Botany / Classification . Names flowers / mora / leaves / type / apex and 5578 more

By Holmes, Walter C. / MacDaniel, Sidney. . Genre Compositae / Mikania / Botany / Peru . Names ca / peru / leaves / type / mikania and 1877 more