Periphyton from a small peat lake: pH = 6,5; Сm(NO₃⁻) ~ 90 ppm.
part of major die off in fairy lake, recently dead
Intermediate swamp; pH = 6,7; Сm(NO₃⁻) ~ 50 ppm.
1st one Top of snag along lake margin spotted by Crab-Eyed @jstraka
@trientalid super stumped on this one