How to Tell Apart Mini-guide << view all mini guides S E A W E E D Monostroma grevillei Protomonostroma undulatum Download PDF Text by Jordan Chalfant Photos by Jordan Chalfant Design by Celeste Mittelhauser Share Related Mini Guides Mini Guide Rhodomela confervoides vs. Dasysiphonia japonica by Jordan Chalfant Mini Guide Dumontia contorta & Devaleraea ramentacea by Jordan Chalfant Mini Guide Acrosiphonia genus vs. Cladophora genus by Jordan Chalfant