Collection location: Lummi Island, Whatcom Co., Washington, USA [Click for map]
Superficial on intertidal Si rock with barnacles. (Sometimes grows up onto the barnacles from the rock.) Of the 3 marine Collemopsidium species on the North American checklist (also considering the species in Smith et al.) the most possible would be C. halodytes, but this seems very distinctive. No photos which I can find online resemble this.
I would appreciate suggestions on this one.
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Unfortunately I have access to no more info than you, so I end up dead-ended at C. halodytes, too. I agree that this looks like an unstratified cyanobacterial crust, and that together with septate spores apparently leads ineluctably to Collemopsidium. Nice observation, as always. But where to go from here?
Created: 2012-06-19 13:27:32 PDT (-0700)
Last modified: 2012-06-19 13:54:59 PDT (-0700)
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