+17 = 21 

ㄒㄧㄢˇxiǎn

  1. 植物苔蘚植物直立細小生長陰溼地區種類繁多分布少數入藥

moss, lichen, moss on damp walls, used erroneously for 蘇
mousse, lichen, bryophyte
Moos (S)​