{"source_name": "Cyperus lupulinus", "evidence": {"record_id": "tn:3741", "atlas_id": 3741, "state": "TN", "identity": {"status": "exact_name", "nc_name": "Cyperus lupulinus", "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": ["47047", "47091", "47141"], "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": "Cyperus lupulinus", "nc_record_path": "/nc/cyperus-lupulinus.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:3741", "county:47047", "county:47091", "county:47141"]}, "native_synthesis": {"status": "unresolved", "label": "Tennessee native status unresolved", "claims": [{"source": "NC vascular flora", "scope": "NC", "claim": "native", "matched_name": "Cyperus lupulinus", "url": "https://auth1.dpr.ncparks.gov/flora/"}, {"source": "USDA PLANTS", "scope": "L48", "claim": "native", "matched_name": "Cyperus lupulinus", "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/3741"}], "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}}}