Mayflies of the United States
Mayflies of Jefferson County, Oregon
Species denoted with an asterisk (*) are unconfirmed or dubious records.
Baetidae
No Common Name -- (Diphetor hageni)
Ephemerellidae
No Common Name -- (Drunella coloradensis) No Common Name -- (Drunella flavilinea) No Common Name -- (Ephemerella inermis)
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