I. Stegana (Steganina) biprotrusa species group (5 spp.)

acantha Wu, Gao, & Chen, 2010; China (Hainan).

ancistrophylla Wu, Gao, & Chen, 2010; China (Guangdong, Guangxi, Guizhou *, Yunnan *).

langufoliacea Wu, Gao, & Chen, 2010; China (Taiwan, Guangxi, Yunnan*).

otocondyloda Wu, Gao, & Chen, 2010; China (Yunnan).

iaspidea Zhang & Chen, sp. nov.; China (Yunnan).