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P3R1O1T1H4A1L1L1I1U1M3
18 points

PROTHALLIUM is validvalid

[n PROTHALLIA]

158,427 of 196,601 in NWL2023·also valid in CSW24

the free-living gametophyte of a fern or other vascular cryptogam, also PROTHALLUS [n PROTHALLIA]

192,055 of 280,887 in CSW24·also valid in NWL2023