Oldenlandia angustifolia Scleromitrion sinense Scleromitrion tetraquetrum Spermacoce tubularis Bigelovia lasiocarpa Bigelovia roxburghiana Hedyotis angustifolia Hedyotis tenelliflora var. longipes Scleromitrion approximatum Bigelovia kleinii Hedyotis approximata
Taxonomic data from World Flora Online, accessed June 20, 2024