Is “Quillwort” a Scrabble word?
Yes
QUILLWORT
Valid in at least one Scrabble dictionary
Valid in these dictionaries
SOWPODS / CSW
Scrabble UK & International
TWL / NWL
Scrabble North America
Large English Dictionary
General English word list
Meaning of Quillwort
noun
1.Any of various simple microphyllous vascular plants, of the family Isoetaceae, that resemble rushes and produce spores.