Mayflies of the United States
Mayflies of Gratiot County, Michigan
Species denoted with an asterisk (*) are unconfirmed or dubious records.
Baetiscidae
No Common Name -- (Baetisca laurentina)
Caenidae
No Common Name -- (Caenis amica)
Ephemeridae
No Common Name -- (Hexagenia atrocaudata) No Common Name -- (Hexagenia limbata)
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