Synonyms: Dortmanna trialata; Dortmannia trialata; Lobelia arenarioides; Lobelia bialata; Lobelia decurrens (heterotypic); Lobelia heyneana f. parviflora; Lobelia heyneana var. lamiifolia; Lobelia heyneana var. parviflora; Lobelia heyneana var. viridissima; Lobelia micrantha (heterotypic); Lobelia subincisa; Lobelia subracemosa; Lobelia subracemosa var. rigidior; Lobelia trialata; Lobelia trialata var. asiatica; Lobelia trialata var. lamiifolia; Lobelia trialata var. umbrosa; Lobelia umbrosa (homotypic); Lobelia zeylanica var. parviflora; Rapuntium arenarioides; Rapuntium trialatum