{"source_name": "Nandina domestica", "evidence": {"record_id": "tn:2689", "atlas_id": 2689, "state": "TN", "identity": {"status": "exact_name", "nc_name": "Nandina domestica", "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": ["47001", "47009", "47011", "47017", "47027", "47037", "47065", "47073", "47079", "47085", "47089", "47093", "47107", "47115", "47117", "47119", "47125", "47139", "47141", "47149", "47157", "47161", "47177", "47187"], "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": "N", "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": "KY[SNA]", "state": "TN"}, "invasive_status": {"status": "listed", "list_assertions": [{"list": "natural_areas", "threat": "Emerging", "source_name": "Nandina domestica Thunb.", "source_id": "tnipc:natural_areas", "url": "https://www.tnipc.org/invasive-plants/", "snapshot_row": 53}], "candidate_assertions": [], "unmatched_means": "unknown; not a non-invasive verdict"}, "horticulture": [], "shared_evidence_reference": {"nc_name": "Nandina domestica", "nc_record_path": "/nc/nandina-domestica.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:2689", "county:47001", "county:47009", "county:47011", "county:47017", "county:47027", "county:47037", "county:47065", "county:47073", "county:47079", "county:47085", "county:47089", "county:47093", "county:47107", "county:47115", "county:47117", "county:47119", "county:47125", "county:47139", "county:47141", "county:47149", "county:47157", "county:47161", "county:47177", "county:47187", "tnipc:natural_areas"]}, "native_synthesis": {"status": "not_native", "label": "Non-native; listed invasive in Tennessee", "claims": [{"source": "USDA PLANTS", "scope": "L48", "claim": "introduced", "matched_name": "Nandina domestica", "text": "L48:I PB:I", "url": "https://plants.usda.gov/"}, {"source": "TN–KY Plant Atlas", "scope": "TN–KY", "claim": "introduced", "url": "https://tennessee-kentucky.plantatlas.usf.edu/plant/species/2689"}], "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": -80, "band": "Severe harm", "status": "scored_invasive", "reason": "Listed invasive in Tennessee; do not plant. Uses the shared species harm profile established from the NC ranking and documented harm; not a Tennessee agency severity rating.", "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": "not_native", "scoring_inputs": {"native": false, "state_rank": "", "invasive": true, "invasive_rank": "2", "harm_penalty": 25}, "severity_basis": "shared_rank", "harm": {"penalty": 25, "note": "Unripe berries contain cyanogenic compounds; ripe fruit releases cyanide slowly, toxicity declines with age, and large servings have been linked to cedar waxwing deaths.", "status": "research citation verified; penalty is a Quercus policy choice, not an effect-size estimate", "citations": [{"label": "North Carolina Botanical Garden: Nandina toxic to birds", "url": "https://ncbg.unc.edu/2022/05/04/nandina-toxic-to-birds/"}]}, "harm_source": "https://ncwildflower.org/invasive-exotic-species-list/"}}