
Also known as Twisted Wrack, Spiral Wrack is a common wrack of the upper shore, growing up to 1½ feet in length, with a prominent midrib but no air baldders. The tips of the fronds have pairs of swollen yellow-brown reproductive bodies.
Also known as Twisted Wrack, Spiral Wrack is a common wrack of the upper shore, growing up to 1½ feet in length, with a prominent midrib but no air baldders. The tips of the fronds have pairs of swollen yellow-brown reproductive bodies.