Phylum: Cyanobacteria
Taxon: Merismopedia elegans
Authority: A.Braun ex Kützing
Site: Lake Terrell, Whatcom County, WA
Comments: Moderately common; collected in a wide variety of lakes and ponds, often associated with shoreline vegetation
Phylum: Cyanobacteria
Taxon: Merismopedia convoluta
Authority: Brébisson ex Kützing
Site: Lake Sixteen, Skagit County, WA
Comments: Moderately common; collected in a wide variety of lakes and ponds, often associated with shoreline vegetation
Phylum: Cyanobacteria
Taxon: Merismopedia convoluta
Authority: Brébisson ex Kützing
Site: Lake Sixteen, Skagit County, WA
Comments: Moderately common; collected in a wide variety of lakes and ponds, often associated with shoreline vegetation
Phylum: Cyanobacteria
Taxon: Merismopedia elegans
Authority: A.Braun ex Kützing
Site: Lake Terrell, Whatcom County, WA
Comments: Moderately common; collected in a wide variety of lakes and ponds, often associated with shoreline vegetation
Phylum: Cyanobacteria
Taxon: Merismopedia elegans
Authority: A.Braun ex Kützing
Site: Cranberry Lake, Island County, WA
Comments: Moderately common; collected in a wide variety of lakes and ponds, often associated with shoreline vegetation
Phylum: Cyanobacteria
Taxon: Merismopedia minima
Authority: G.Beck
Site: Moses Lake, Grant County, WA
Comments: Moderately common but easily overlooked due to small size; usually in plankton samples
Phylum: Cyanobacteria
Taxon: Merismopedia tranquilla
Authority: (Ehrenberg) Trevisan
Formerly: Merismopedia punctata
Site: Little Twin Lake, Okanogan County, WA
Comments: Moderately common but easily overlooked due to small size; usually in plankton samples
Phylum: Cyanobacteria
Taxon: Merismopedia sp.
Authority: Meyen
Site: Lake Evan, Snohomish County, WA
Comments: Uncommon; associated with shoreline vegetation in boggy lakes and ponds
Phylum: Cyanobacteria
Taxon: Merismopedia tenuissima
Authority: Lemmermann
Site: Lake Evan, Snohomish County, WA
Comments: Moderately common but easily overlooked due to small size; usually in plankton samples
Phylum: Cyanobacteria
Taxon: Merismopedia tenuissima
Authority: Lemmermann
Site: Lake Whatcom, Whatcom County, WA
Comments: Moderately common but easily overlooked due to small size; usually in plankton samples