Lobelia ulugurensis Lobelia volkensii Lobelia usafuensis Lobelia squarrosa Lobelia giberroa subsp. squarrosa Rapuntium volkensii Tupa schimperi Lobelia volkensii var. ulugurensis Lobelia giberroa var. ulugurensis Lobelia giberroa var. usafuensis Lobelia giberroa var. longibracteata Lobelia giberroa var. intermedia Lobelia giberroa var. iringensis Lobelia giberroa var. mionandra Dortmanna giberroa Lobelia intermedia Lobelia giberroa var. volkensii
World Flora Online, http://www.worldfloraonline.org/, accessed June 20, 2024