Yes, FLEABANE is a Scrabble word!

Letter values in Scrabble US: F 4, L 1, E 1, A 1, B 3, A 1, N 1, E 1.

Is it a valid word?

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

hairy perennial Eurasian herb with yellow daisylike flowers reputed to destroy or drive away fleas
any of several North American plants of the genus Erigeron having daisylike flowers; formerly believed to repel fleas
common North American weed with linear leaves and small discoid heads of yellowish flowers; widely naturalized throughout temperate regions; sometimes placed in genus Erigeron

Also: feabane mullet, pulicaria dysenterica, canadian fleabane, conyza canadensis, erigeron canadensis.