Ulva intestinalis (“gutweed”) is our seaweed of the week! #PhycologyFriday

Some latest seaweed pressings: branching reds #SciArt #PhycologyFriday

Dictyota coriacea (“Y-branched algae”) is our seaweed of the week! #PhycologyFriday

Cryptonemia obovata (which has no common name, but “red lobe weed” seems fitting) is our seaweed of the week! Red blades are notoriously difficult to identify, but supposedly this is one of the most common taxa in San Diego #PhycologyFriday

Seaweed pressing as an art and a science: our newly reestablished herbarium collection at Scripps and the history behind it #Phycology

Eisenia arborea (the “Southern sea palm”) is our seaweed of the week! #PhycologyFriday

Rhodymenia californica (“roseweed”) is our seaweed of the week! #PhycologyFriday

California seaweeds, non-native edition #SciArt

Sargassum muticum (Japanese wireweed) is our seaweed of the week! While non-native, it’s sometimes considered naturalized in Southern California #PhycologyFriday

Laurencia pacifica (“sea laurel”) is our seaweed of the week! Also ft. its parasite/epiphyte, Erythrocystis saccata #PhycologyFriday

Zonaria farlowii (“banded fanweed”) is our seaweed of the week! #PhycologyFriday

Turkish towel (Chondracanthus exasperatus) is our seaweed of the week! #PhycologyFriday

Golden rockweed (Silvetia compressa) for #PhycologyFriday

#plants #botany #seaweed #oceanography 'The Smith Seaweed Ecology Lab at UC San Diego’s Scripps Institution of Oceanography is showcasing the scientific diversity and natural beauty of seaweeds through the new Ellen Browning Scripps Herbarium Collection. ' today.ucsd.edu/story/ellen-...

Red sea grapes, Botryocladia (not to be confused with green sea grapes, Caulerpa) is our seaweed of the week! #PhycologyFriday

The iconic giant kelp (Macrocystis pyrifera) for #PhycologyFriday!

Pterocladiella capillacea (“branched wing weed”) is our seaweed of the week! Did you know it used to be harvested off the coast of Southern California for agar extraction? #PhycologyFriday

Gracilaria sp. (“ogo”) is our seaweed of the week! #PhycologyFriday

Collage of historical seaweed pressings from 1883 in Santa Barbara by Ellen M. Booth #PhycologyFriday

Elkhorn kelp (Pelagophycus porra) is our seaweed of the week! Endemic to Southern California and Baja #PhycologyFriday

Chaetomorpha spiralis is our seaweed of the week! It doesn’t have a common name as far as I know, but “sea spiral” seemed fitting #PhycologyFriday

“Winged coral weed” (Bossiella orbigniana) is our seaweed of the week! #PhycologyFriday

Chain bladder kelp* (Stephanocystis osmundacea) is our seaweed of the week! *Despite its common name, it’s not a kelp but a fucoid… #PhycologyFriday

Sea lettuce (Ulva californica) is this week’s seaweed! #PhycologyFriday

Plocamium pacificum (sea comb) ft. the California sea hare #PhycologyFriday

Feather boa kelp (Egregia menziesii) is our seaweed of the week! #PhycologyFriday

Sharing this week’s “seaweed of the week” in collaboration with California Seaweed Festival @caseaweedfestival.bsky.social #PhycologyFriday

Southern California seaweed collage #PhycologyFriday

The art of arranging marine algae into designs, bouquets, and even sometimes intricate little scenes, was surprisingly popular in the 19th century. See an album of such pictures by a woman named Eliza A. Jordson here: https://publicdomainreview.org/collection/album-of-seaweed-pictures-1848

Collage of historical pressings by Mary Snyder for #PhycologyFriday

Digital seaweed art with pressings by @jensmith11.bsky.social for #PhycologyFriday

Some latest seaweed pressings for #PhycologyFriday

Seaweeds from Victoria, BC, Canada for #PhycologyFriday

Red, brown, and green seaweeds #PhycologyFriday

Heart-of-seaweed for #PhycogyFriday

Seaweed kaleidoscope design for #PhycologyFriday

“Sea Moss” (pressed seaweeds) by an unknown collector from 1904 for #PhycologyFriday

Closeups of historical seaweed pressings from the University Herbarium in Berkeley for #PhycologyFriday

Before and after pressing Pachymeniopsis/Grateloupia for #PhycologyFriday

Tropical seaweed heart for Valentine’s Day and #PhycologyFriday 💗

Some latest seaweed pressings from San Diego for #PhycologyFriday

Before and after pressing Egregia menziesii (“feather boa kelp”) for #PhycologyFriday

2025 calendar (with tides based on your location) for all kelp enthusiasts, available for online orders! www.calendarlink.biz/kelpcult/hom...

Egregia (feather boa kelp) pressings by Mary Snyder, ca. 1900 #seaweeds

As another #PhycologyFriday winds to a close, here's a starter pack of algal appreciators to follow! Lmk if you'd like to be added to the list. go.bsky.app/RwMphxS