γναφάλλιον

ίδος, τό
A. cotton-weed, Diotis maritima, Dsc. 3.117, Plin. HN 27.88:—also γναφαλλίς, ίδος, ἡ, Ps.-Dsc. 3.117.
Liddell, Scott & Jones
A Greek-English Lexicon, 1940
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