How to Tell Apart Mini-guide << view all mini guides S E A W E E D Dumontia contorta Dumont’s Weed Devaleraea ramentacea Variable Branched Weed Download PDF Text by Jordan Chalfant Photos by Jordan Chalfant Design by Celeste Mittelhauser Share Related Mini Guides Mini Guide Common Brown Seaweed Blades: Part 3 by Jordan Chalfant Mini Guide Fucus Spiralis, Fucus visiculosus, & Fucus distichus ssp. edentatus by Jordan Chalfant Mini Guide Leathesia marina vs. Colpomenia peregrina by Jordan Chalfant