Yes, ACROGENS is a Scrabble word!

Letter values in Scrabble US: A 1, C 3, R 1, O 1, G 2, E 1, N 1, S 1.

Is it a valid word?

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

any flowerless plant such as a fern (pteridophyte) or moss (bryophyte) in which growth occurs only at the tip of the main stem