#alga is an active hashtag on Bluesky. In the last 30 days, 7 people shared 20 posts with it — around 1 a day. The busiest day was Sep 1 with 7 posts.
Anthony Speca | Aspen Ecology @aspenecology.com
Another #rockpool #seaweed that belongs taxonomically plants, but which looks like coral, is this coralline red #alga. Like pink forms below, needs microscopy to identify to species. I find variety of these algal life-forms astonishing, and often strikingly beautiful. Port nam Murrach, near Arisaig.
Anthony Speca | Aspen Ecology @aspenecology.com
Collemopsidium pelvetiae: extraordinary 3-part #lichen involving #fungus, #cyanobacterium and #seaweed! Vanishingly few records in Britain. I suspect it's not quite so rare: I found it on 3 of 6 beaches searched on summer holiday in Scotland. Grows only on channelled wrack (Pelvetia canaliculata).
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