a flat-headed mayfly Heptagenia culacantha RSGCN Status RSGCN RSGCN Category Moderate Unique ID 100623 Regional Responsibility 100% (NEAFWA Endemic) Federal Status NA Global Rank G2G3 Taxon/SubTaxon Mayflies ITIS TSN 100623 NS Unique ID ELEMENT_GLOBAL.2.119620 NS Global ID 119620 RegionalID IA778