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 Ulva fenestrata vs. Ulvaria blyttii by Jordan Chalfant Mini Guide Vertebrata nigra vs. Polysiphonia stricta by Jordan Chalfant Mini Guide Filamentous Brown Seaweeds vs. Tube-forming Diatoms by Jordan Chalfant