Yes, CLINTONIAS is a Scrabble word!

Letter values in Scrabble US: C 3, L 1, I 1, N 1, T 1, O 1, N 1, I 1, A 1, S 1.

Is it a valid word?

CLINTONIAS is a valid word in the official Scrabble dictionary (US), the UK Scrabble Dictionary and Words with Friends (ENABLE).

any temperate liliaceous plant of the genus Clintonia having broad basal leaves and white or yellowish or purplish flowers followed by blue or black berries

Also: clinton's lily.