{"source_name": "Symphyotrichum lanceolatum", "evidence": {"record_id": "tn:3979", "atlas_id": 3979, "state": "TN", "identity": {"status": "exact_name", "nc_name": "Symphyotrichum lanceolatum", "approved_aliases": [], "candidate_nc_name": null, "candidate_names": [], "research_match_status": "exact_published", "merge_policy": "no fuzzy or parent-species merging"}, "occurrence": {"basis": "atlas_county_search", "county_fips": ["47009", "47011", "47013", "47017", "47019", "47031", "47035", "47051", "47053", "47055", "47057", "47073", "47075", "47089", "47091", "47093", "47095", "47105", "47129", "47143", "47145", "47155", "47157", "47159", "47163", "47167", "47171", "47173", "47175"], "native_range_confirmed": false, "absence_means": "not recorded in this snapshot; not proof of absence"}, "native_status": {"status": "unresolved", "state": "TN", "state_assertions": [], "regional_atlas_flag": null, "regional_flag_scope": "Tennessee-Kentucky atlas; not promoted to county or state native range", "county_native_range": "unresolved"}, "state_rank": {"value": null, "status": "missing", "source_text": null, "state": "TN"}, "invasive_status": {"status": "no_exact_listing_match", "list_assertions": [], "candidate_assertions": [], "unmatched_means": "unknown; not a non-invasive verdict"}, "horticulture": [], "shared_evidence_reference": {"nc_name": "Symphyotrichum lanceolatum", "nc_record_path": "/nc/symphyotrichum-lanceolatum.json", "reuse_scope": "identity link only; source traits require review; NC geography and scores excluded"}, "quercus_score": null, "fit_score": null, "score_status": "TN reference cohort and missing-rank policy not approved", "sources": ["atlas:3979", "county:47009", "county:47011", "county:47013", "county:47017", "county:47019", "county:47031", "county:47035", "county:47051", "county:47053", "county:47055", "county:47057", "county:47073", "county:47075", "county:47089", "county:47091", "county:47093", "county:47095", "county:47105", "county:47129", "county:47143", "county:47145", "county:47155", "county:47157", "county:47159", "county:47163", "county:47167", "county:47171", "county:47173", "county:47175"]}, "native_synthesis": {"status": "unresolved", "label": "Tennessee native status unresolved", "claims": [{"source": "NC vascular flora", "scope": "NC", "claim": "native", "matched_name": "Symphyotrichum lanceolatum", "url": "https://auth1.dpr.ncparks.gov/flora/"}, {"source": "USDA PLANTS", "scope": "L48", "claim": "native", "matched_name": "Symphyotrichum lanceolatum", "text": "CAN:N L48:N", "url": "https://plants.usda.gov/"}, {"source": "TN–KY Plant Atlas", "scope": "TN–KY", "claim": "unknown", "url": "https://tennessee-kentucky.plantatlas.usf.edu/plant/species/3979"}], "rule": "tn-native-synthesis-1", "explanation": "A TN-specific UT native-guide page or an exact entry in the Tennessee rare-plant list supports a direct source claim. Otherwise, TN occurrence plus an atlas native flag and exact-name native evidence from NC flora or USDA L48 supports a provisional state inference. No one regional claim or occurrence alone establishes TN nativity; NC and L48 claims retain their actual scopes.", "county_native_range": "unresolved"}, "assessment": {"version": "nc-rules-0.6.4-shared-2", "score": null, "band": "Not scored", "status": "native_status_unresolved", "reason": "Native/exotic classification is missing or conflicting in the available sources.", "reference": "NC native reference cohort, method 0.6.4; not a Tennessee percentile", "rarity_adjustment": null, "rarity_policy": "Existing NC rule: S5 0, S4 -2, S3 -5, S2 -8, S1/SH -10; unranked -5; score floor 5.", "fit_score": null, "native_basis": "unresolved", "scoring_inputs": {"native": null, "state_rank": "", "invasive": false, "invasive_rank": null, "harm_penalty": 0}}}