Ini nga species ginbahin ha masunod nga subspecies:[2]
- A. s. congdonii
- A. s. sanbornii
- ↑ Alph.Wood, 1868 In: Proc. Acad. Nat. Sci. Philadelphia 20: 171
- ↑ 2.0 2.1 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) (2014). "Species 2000 & ITIS Catalogue of Life: 2014 Annual Checklist". Species 2000: Reading, UK. Ginkuhà 26 Mayo 2014.CS1 maint: multiple names: authors list (link) CS1 maint: extra text: authors list (link)
- ↑ WCSP: World Checklist of Selected Plant Families