Template:Suetsugu et al., 2023
- Suetsugu, K., Hirota, S.K. & Yonekura, K., Abe, A., Suyama, Y. & Hsu, T.-C. 2023. First Record of Thrixspermum annamense (Orchidaceae) from Iriomote Island, Ryukyu Islands, Japan, with Discussions on its Intraspecific Taxonomy. Acta Phytotaxonomica et Geobotanica 74(2): 121–129. DOI: 10.18942/apg.202306