Yes, SPOROPHORE is a Scrabble word!

Letter values in Scrabble US: S 1, P 3, O 1, R 1, O 1, P 3, H 4, O 1, R 1, E 1.

Is it a valid word?

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

a spore-bearing branch or organ: the part of the thallus of a sporophyte that develops spores; in ferns and mosses and liverworts is practically equivalent to the sporophyte