Standley, P. C., & Steyermark, J. A. (1946). Flora of Guatemala. Natural History Museum.
Lua i Stíl Chicago (17ú heag.)Standley, Paul Carpenter, agus Julian A. Steyermark. Flora of Guatemala. Chicago: Natural History Museum, 1946.
Lua MLA (8ú heag.)Standley, Paul Carpenter, agus Julian A. Steyermark. Flora of Guatemala. Natural History Museum, 1946.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.