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

By Standley, Paul Carpenter, 1884-1963 . Genre Botany / America . Names mus / herb / type / sp / spigelia nov. and 5171 more

By Standley, Paul Carpenter, 1884-1963 / Steyermark, Julian A. (Julian Alfred), 1909- . Genre ncgt--- / Botany / Guatemala . Names leaves / plants / apex / type / america and 19554 more

By Standley, Paul Carpenter, 1884-1963 . Genre nccr--- / Botany / Costa Rica . Names costa / leaves / valeria / america / la and 10966 more

By Standley, Paul Carpenter, 1884-1963 . Genre nccr--- / Botany / Costa Rica . Names leaves / costa / flowers / calyx / america and 8720 more

By Standley, Paul Carpenter, 1884-1963 / Steyermark, Julian A. (Julian Alfred), 1909- . Genre ncgt--- / Botany / Guatemala . Names leaves / flowers / america / apex / mexico and 28066 more

By Standley, Paul Carpenter, 1884-1963 . Genre Nyctaginaceae / Botany / South America / Chenopodiaceae . Names leaves / america / argentina / type / flowers and 3176 more

By Standley, Paul Carpenter, 1884-1963 / Steyermark, Julian A. (Julian Alfred), 1909- . Genre ncgt--- / Botany / Guatemala . Names leaves / apex / plants / flowers / mexico and 18264 more

By Standley, Paul Carpenter, 1884-1963 . Genre n------ / s------ / Botany / America / Plants . Names mus / herb / lata / type / rotundata and 2194 more