Ensign, Margaret (March 1942). "A Revision of the Celastraceous Genus Forsellesia (Glossopetalon)". The American Midland Naturalist. 27 (2): 501–511. doi:10.2307/2421016. JSTOR2421016.
Allen, Maya L.; Ayers, Tina (25 October 2021). "A Revised Classification of Glossopetalon (Crossosomataceae) Based on Restriction Site-Associated DNA Sequencing". Systematic Botany. 46 (3): 562–572. doi:10.1600/036364421X16312067913417. S2CID240155253.
efloras.org
Mason, Charles T. Jr.; Yatskievych, George (15 January 2015). "Glossopetalon". Flora of North America north of Mexico. Vol. 9: Magnoliophyta: Picramniaceae. Flora of North America Editorial Committee. ISBN9780195340297.
Ensign, Margaret (March 1942). "A Revision of the Celastraceous Genus Forsellesia (Glossopetalon)". The American Midland Naturalist. 27 (2): 501–511. doi:10.2307/2421016. JSTOR2421016.
Allen, Maya L.; Ayers, Tina (25 October 2021). "A Revised Classification of Glossopetalon (Crossosomataceae) Based on Restriction Site-Associated DNA Sequencing". Systematic Botany. 46 (3): 562–572. doi:10.1600/036364421X16312067913417. S2CID240155253.
swcoloradowildflowers.com
Schneider, Al. "Glossopetalon spinescens". Southwest Colorado Wildflowers. Rocky Mountain Biological Laboratory of Gothic, Colorado. Retrieved 16 February 2022.