BSI Flora of India Checklist (Distribution):
Clarkella nana (Edgew.) Hook.f. (Uttarakhand)
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Species with description in Flora of China (Distribution):
Clarkella nana (Edgeworth) J. D. Hooker (On wet rocks, usually limestone; ca. 1400 m. Guangdong (Liannan), N Guangxi (Nandan), C Guizhou, N Yunnan [N India, N Myanmar, Thailand])