1. Compilation of Marine Algae Species found in Puerto Peñasco and the Guaymas

2. Background 15 different species under 3 main divisions – Chlorophyta, Rhodophyta and Phaeophyta 15 different species under 3 main divisions – Chlorophyta, Rhodophyta and Phaeophyta Brief description of each species, and ways to identify them Brief description of each species, and ways to identify them Picture accompaniments Picture accompaniments

3. Division Chlorophyta

4. Enteromorpha and Ulva spp. Enteromorpha – hollow, tubular, some branched, uninucleate cells, single chloroplast, many pyrenoids Enteromorpha – hollow, tubular, some branched, uninucleate cells, single chloroplast, many pyrenoids Ulva – blade-like, 2 cells-thick, single chloroplast, single pyrenoid Ulva – blade-like, 2 cells-thick, single chloroplast, single pyrenoid

5. Chaetomorpha and Cladophora spp. Chaetomorpha – uniseriate, unbranched filaments, multinucleate cells, clumped. Chaetomorpha – uniseriate, unbranched filaments, multinucleate cells, clumped. Cladophora – tufts, coarse, grow up 10 6 cm, stiff branches that curve in same direction Cladophora – tufts, coarse, grow up 10 6 cm, stiff branches that curve in same direction

6. Division Phaeophyta

7. Cutleria and Ralfsia spp. Cutleria – heteromorphic plants, gametophyte erect, fan-shaped blades, thallus rigid and flat Cutleria – heteromorphic plants, gametophyte erect, fan-shaped blades, thallus rigid and flat Ralfsia – crusty and brittle, two-layered thallus, circular outline Ralfsia – crusty and brittle, two-layered thallus, circular outline

8. Division Rhodophyta

9. Halymenia and Hypnea spp. Halymenia – plant erect, gelatinous fronds, either branching or blade- like thallus Halymenia – plant erect, gelatinous fronds, either branching or blade- like thallus Hypnea – cylindrical and compressed, slender branches with curled branchlets Hypnea – cylindrical and compressed, slender branches with curled branchlets

10. Plocamium and Champia spp. Plocamium – plant erect, bushy, bright red, branching in zigzag manner Plocamium – plant erect, bushy, bright red, branching in zigzag manner Champia – plant erect, small, clumped, delicate, branches are cylindrical and compressed Champia – plant erect, small, clumped, delicate, branches are cylindrical and compressed

11. References African Seaweed Database. http://www.seaweedafrica.org African Seaweed Database. http://www.seaweedafrica.org Guiry, M.D., 1996. Rhodophyta. http://seaweed.ucg.ie/Ireland/Check-listRhodoIre.html Guiry, M.D., 1996. Rhodophyta. http://seaweed.ucg.ie/Ireland/Check-listRhodoIre.html Guiry, M.D. and Nic Dhonncha, E. 2002. Algaebase. World-wide Web electronic publication. http://www.algaebase.org Guiry, M.D. and Nic Dhonncha, E. 2002. Algaebase. World-wide Web electronic publication. http://www.algaebase.org Norris, James N., 1975. Marine algae of the northern Gulf of California. Norris, James N., 1975. Marine algae of the northern Gulf of California. Wagonner, B. and Speer, B.R., 2000. Introduction to Phaeophyta. Wagonner, B. and Speer, B.R., 2000. Introduction to Phaeophyta.http://www.ucmp.berkeley.edu/chromista/phaeophyta.html Webb, D. T., 2000. Chlorophyta. Webb, D. T., 2000. Chlorophyta. http://www.botany.hawaii.edu/faculty/webb/BOT311/Chlorophyta/C hlorophyta-100.htm Sze, P., 1998. A Biology of the Algae. WCB McGraw-Hill publications. Sze, P., 1998. A Biology of the Algae. WCB McGraw-Hill publications.