Red hair algae, or Centroceras clavulatum, is our seaweed of the week! #PhycologyFriday

Sargassum horneri, or “devil weed,” is our seaweed of the week #PhycologyFriday

Delicately branched seaweeds for #PhycologyFriday #SciArt

Ulva expansa, or “large sea lettuce,” is our seaweed of the week! #PhycologyFriday

Bouquet of green seaweeds #SciArt #PhycologyFriday

Asparagopsis taxiformis (the red sea plume, or “limu kohu” in Hawaii) is our seaweed of the week! #PhycologyFriday

Bouquet of brown seaweeds #PhycologyFriday #SciArt

Laminaria farlowii, or “oarweed,” is our seaweed of the week #PhycologyFriday

Leptocladia binghamiae (which has no common name, but “tattered weed” seemed fitting) is our seaweed of the week! #PhycologyFriday

Pressings of brown seaweeds from San Diego #SciArt

A bouquet of red seaweeds for Valentine’s Day #SciArt #PhycologyFriday

Pterygophora californica, or “stalked kelp,” is our seaweed of the week. Did you know it can live for up to 20 years?! #PhycologyFriday

The calcified “slender coral weed,” Jania crassa, is our seaweed of the week #PhycologyFriday

My latest seaweed pressings #SciArt #PhycologyFriday

Petalonia binghamiae (“sea petals”) is our seaweed of the week #PhycologyFriday

Red, green, and brown seaweeds (can you guess which?) #SciArt #PhycologyFriday

Prionitis linearis (or “bleachweed,” due to its smell) is our seaweed of the week! #PhycologyFriday

Our paper on using two centuries of herbarium specimens to characterize morphological variation in Egregia menziesii is now out, open-access! onlinelibrary.wiley.com/doi/10.1111/... #PhycologyFriday

Pressings of brown seaweeds from Maine #PhycologyFriday #SciArt

Cladophora graminea, or “mermaid’s hair,” is our seaweed of the week! #PhycologyFriday

The “sea wart” Encephalophycus tuberculatus (formerly Colpomenia) is our seaweed of the week #PhycologyFriday

Endocladia muricata (“turfweed”) is our seaweed of the week #PhycologyFriday

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