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Specimens are grouped into orders following Guiry and Guiry (2019).

Chattonellales

Gonyostomum

1. Gonyostomum semen
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Perrault Bog
plant detritus sample
May 2006
10°C
2. Gonyostomum semen
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Dollar Bay at boat launch
surface plankton tow
10/10/01
pH 7.1, 16°C
3. Gonyostomum semen
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Swedetown Pond
surface plankton tow
10/3/01
pH 7.9, 14°C
4. Gonyostomum semen
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Copper City, Trail 3 pond #1
plankton tow
7/21/10
pH 7.9, 27°C, 33 uS

Merotrichia

1. Merotrichia
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Snowmobile Trail 17 marsh #2
plankton tow
7/15/10
pH 6.7, 26°C, 162 uS