{"id":"S2007001366","label":"Mountain birch","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh2007001366","normalized_label":"mountain birch","broader":["http://id.loc.gov/authorities/subjects/sh85013489"],"aliases":["Betula czerepanovii","Betula pubescens czerepanovii","Betula pubescens tortuosa","Betula tortuosa"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh2007001366","provider":"lcsh","revision":"eb38e5ac38520db8","taxonomy_revision":"f050b5d4780b1289","title":"Mountain birch","url":"/topics/S2007001366","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"5190539335451158048","address_version":"morton4x16-v1","coordinates":[0,478,33188,22528],"answer_status":"Directory metadata; local answer requires separate source review","truth_status":"Subject descriptor, not a factual answer or a demonstrated knowledge gap","reviewed_answer":null}