Kaliwatan sa tanom ang Acrolejeunea pusilla.^[1] Una ning gihulagway ni Franz Stephani, ug gihatagan sa eksakto nga ngalan ni Grolle et Gradst..^[2] Ang Acrolejeunea pusilla sakop sa kahenera nga Acrolejeunea, ug kabanay nga Lejeuneaceae.^[1][3]

Kini nga matang hayop na sabwag sa:

• Shandong Sheng
• Guizhou Sheng
• Zhejiang Sheng
• Fujian Sheng
• Guangxi Zhuangzu Zizhiqu
• Guangdong Sheng
• Macau
• Hongkong
• Hainan Sheng
• Koreya
• Hapon
• Nansei-Shoto
• Republika sa Tsina
• Ogasawara Islands
• Indya

Walay nalista nga matang nga sama niini.^[1]

1. ↑ ^{1.0 1.1 1.2} Roskov Y., Kunze T., Orrell T., Abucay L., Paglinawan L., Culham A., Bailly N., Kirk P., Bourgoin T., Baillargeon G., Decock W., De Wever A., Didžiulis V. (ed) (2019). "Species 2000 & ITIS Catalogue of Life: 2019 Annual Checklist". Species 2000: Naturalis, Leiden, the Netherlands. ISSN 2405-884X. TaxonID: 54104683. Retrieved 2019-11-11. {{cite web}}: |author= has generic name (help)CS1 maint: multiple names: authors list (link)
2. ↑ Gradstein SR (1974) Studies on Lejeuneaceae subfam. Ptychanthoideae. I. Nomenclature and taxonomy of Ptychocoleus, Acrolejeunea and Schiffneriolejeunea , Journal of the Hattori Botanical Laboratory 38: 327-336
3. ↑ Söderström L., Hagborg A. & von Konrat M. (eds.) (2019). ELPT: Early Land Plants Today (version Jan 2019). In: Species 2000 & ITIS Catalogue of Life, 2019 Annual Checklist (Roskov Y., Ower G., Orrell T., Nicolson D., Bailly N., Kirk P.M., Bourgoin T., DeWalt R.E., Decock W., Nieukerken E. van, Zarucchi J., Penev L., eds.). Digital resource at www.catalogueoflife.org/annual-checklist/2019. Species 2000: Naturalis, Leiden, the Netherlands. ISSN 2405-884X.