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Flower visits are a resource-use proxy, not confirmed feeding or pollination. Missing evidence is unknown. 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Manitoba, south to Pennsylvania, Ohio, n. Indiana, Wisconsin, Minnesota, and Iowa, and in the mountains south to w. North Carolina, n. Georgia, and e. Tennessee.","graphic_key_source_attributes":{"Attr0":"gr14","Attr1":"nc_mt,sc_mt,ga_mt,","Attr11":"pin","Attr12":"unl","Attr13":"to","Attr14":"Bl14,Bl5,Bl9","Attr15":"wh","Attr16":"n","Attr17":"nd","Attr18":"nd","Attr19":"br,gr,nd","Attr2":"Dry,Moist","Attr20":"n","Attr21":"DC","Attr3":"Part,Shade,Sun","Attr3a":"y","Attr3a_subregion":"native_nc_mt:y,native_sc_mt:y,native_ga_mt:y,","Attr4":" 3-6","Attr5":"t","Attr6":"n","Attr7":"n","Attr8":"alt","Attr9":"sim"},"habitat_description":"Forests at medium to high elevations, rarely at low elevations. 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not a location-specific estimate.","source_label":"Minnesota Wildflowers","source_sha256":"39c836c10714d4209f8c83f44b7d0c046ae9560778e02b83f6d5bc0a62f6dff7","source_url":"https://www.minnesotawildflowers.info/tree/yellow-birch","trait_evidence":[{"expected_source_name":"Betula alleghaniensis","field":"life_cycle","original_field":"life_cycle","record_id":"trait:0410d64492766bd98d35f0ec152f334487cd7631c4b8ca6e103a26f98c57cb36","retrieved_at":"2026-10-04T02:31:43.094173+00:00","scope":{"kind":"unspecified"},"scope_note":"Species profile; distribution and native-status discovery filters do not establish local growing or bloom timing.","source":"minnesota","source_name":"Betula alleghaniensis","source_sha256":"39c836c10714d4209f8c83f44b7d0c046ae9560778e02b83f6d5bc0a62f6dff7","source_url":"https://www.minnesotawildflowers.info/tree/yellow-birch","status":"eligible_fact","taxon_id":"taxon:9d1348ae-288d-5a75-b39a-c28c142be5e4","value":["perennial woody"]},{"expected_source_name":"Betula alleghaniensis","field":"height_description","original_field":"height","record_id":"trait:8765caf3e2e07e310b41d7d9361cfc0c9dfcc7375243c5288d4b10e352d49967","retrieved_at":"2026-10-04T02:31:43.094173+00:00","scope":{"kind":"unspecified"},"scope_note":"Species profile; distribution and native-status discovery filters do not establish local growing or bloom timing.","source":"minnesota","source_name":"Betula alleghaniensis","source_sha256":"39c836c10714d4209f8c83f44b7d0c046ae9560778e02b83f6d5bc0a62f6dff7","source_url":"https://www.minnesotawildflowers.info/tree/yellow-birch","status":"eligible_fact","taxon_id":"taxon:9d1348ae-288d-5a75-b39a-c28c142be5e4","value":{"max":85,"min":50,"unit":"feet"}}],"values":{"height_description":"50–85 feet","life_cycle":["perennial woody"]}},"ncsu_sitemap":{"matched_name":"Betula alleghaniensis","retrieved":"2026-10-04T02:31:50.367709+00:00","scope":{"kind":"unspecified"},"scope_note":"Source-reported species characteristics; not a location-specific estimate.","source_label":"NC Extension Plant Toolbox","source_sha256":"d82508952071d48b0d9a4633e2332f6d8eacb7b2aa8f42e38d2a31a3e6e76261","source_url":"https://plants.ces.ncsu.edu/plants/betula-alleghaniensis/","trait_evidence":[{"expected_source_name":"Betula alleghaniensis","field":"light","original_field":"light","record_id":"trait:2af7af996cd336fe55b47a1ab4ba4e1214026d276b7c1112433cee4a4eed1e49","retrieved_at":"2026-10-04T02:31:50.367709+00:00","scope":{"kind":"unspecified"},"scope_note":"Species profile; 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