Rock Chond canalic Gastroclonium sub Lottia scabra Odonthalia flocc Pseudolith nigra -A

Sand Chthamalus spp Gelidium coulteri Lottia paradigitalis Petrocelis Pterocladiella capill -B

None Cladoph columb Gelidium pus/coul Mastocarpus pap Petrospong rugos Ralfsiaceae -C

Tar Corallina spp Gelidium pusillum Mazzaella affinis Phyllospadix scoul Ralfsia spp -Epi

Balanus glandula Cryptopleura/Hym Hespero harvey Mazzaella leptor Phyllospadix torr Red crust -Host

Blue-Green Encrusting coralline Littorina keenae Mazzaella spp Polysiphonia spp Silvetia comp -Pool

Bossiella spp Endocladia mur Littorina scutulata Microcladia borealis Porphyra spp Ulva/Enteromorpha -Boulder

Calliarthron spp Enteromorpha spp Lottia digitalis Mytilus calif Prionitis lanceolata Ulva spp -cobble

Ceramium/Centroc Fucus spp Unknown 1 Unknown 2 Unknown 3 Unknown 4 Unknown 5

Alaria marginata Egregia menziesii Leathesia spp Scytosiphon dotyi Acrosiphonia spp Derbesia marina -A

Analipus japonicus Endarachne bingh Pachydic coriaceum Scytosiphon lom Bryopsis corticulans -B

Colpomenia spp Hedophyllum sessile Pelvetiopsis spp Sargassum agard Chaetomorpha spp -Pool -C

Cystoseira osmund Halidrys dioica Petalonia fascia Sargassum muticum Cladophora spp -Host

Desmarestia ligulata Laminaria setchellii Phaeost irregulare Taonia lenneback Codium fragile -Boulder -Epi

Dictyota flabellata Laminaria sinclairii Postelsia palmae Zonaria farlowii Codium setchellii -cobble

Ahnfeltia fastigiata Cumagloia ander Gracilaria sjoest/ander Masto jardinii Neorhodomela larix Plocamium violac

Callitham pikeanum Dilsea californica Grateloup doryph ora Microcladia coulteri Neorhodo oregona Prionitis lyalii Sarcodio gaudich

Chond spinosus Erythro californ Halosac glandiforme Nemalion helminth Osmundea spectabilis Pterosiphonia baileyi Schizy/Haly spp

Crypto woodii Farlowia/Pikea Laurencia pacifica Neoptilota/Ptilota spp Plocam cartilag Pterosiph dendroidea Small red blade

Unknown 14 Unknown 15 Unknown 16 Unknown 17 -A

-B

Unknown 18 Unknown 19 Unknown 20 Unknown 21 -C

-Epi

Unknown 22 Unknown 23 Unknown 24 Unknown 25 -Host

-Pool

Unknown 26 Unknown 27 Unknown 28 Unknown 29 -Boulder

Unknown 30 Unknown 31 Unknown 32 Unknown 33 -cobble

Acanthina spp Haliclona spp Mitrella carin Pachygr crass Pugettia prod Teg funebralis -A

Amphissa vers Katharina tunicata Mopalia spp Pagur granosim Semibal carios Tetraclita rubes -B

Antho elegant LBL Myt gal/tross Pagur hirsutius Septifer bifur -C

Antho sola Lepido harwegii Nucella canalic Pagur samuelis Serpula vermic Unknown 6 -Epi

Antho xantho Leptasterias spp Nucella emarg Phragmato cal Serpulorbis squ -Host

Bittium eschric Lottia gigantea Nuttalina calif Pisaster ochrac Spirorbis spp Unknown 7 -Pool

Dodec fewkesi Lottia limatula Oceanebra circ Pista elongata Stronglyo purp -Boulder

Halichond spp Lottia pelta Ophlitasp pen Pollicipes polym Tectura scutum Unknown 8 -cobble

Unknown 9 Unknown 10 Unknown 11 Unknown 12 Unknown 13