Glossopetalon spinescens var. planitierum Glossopetalon spinescens var. mexicanum Glossopetalon spinescens var. clokeyi Glossopetalon spinescens var. aridum Glossopetalon spinescens var. meionandrum Glossopetalon spinescens var. microphyllum Glossopetalon spinescens var. goodwinii Glossopetalon spinescens var. texense Glossopetalon spinescens var. spinescens
Forsellesia spinescens Forsellesia spinescens var. typica Glossopetalon spinescens var. typicum
World Flora Online, http://www.worldfloraonline.org/, accessed June 20, 2024