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county geography is an additional layer. Missing source traits remain unknown.","fit_provenance":{"counties":"USDA PLANTS: recorded in 24 NC counties","light":"NC Extension Plant Toolbox","moisture":"NC Extension Plant Toolbox","ph":"USDA PLANTS"},"garden_suitability":{"default_excluded":false,"flags":[],"review_status":"not_assessed"},"invasive_rank":false,"native_eligible":true,"quercus_score":22,"state":"KY"},"garden_suitability":{"default_excluded":false,"flags":[],"review_status":"not_assessed"},"growing_observations":{"botanical_review_primary_flower_color":{"matched_name":"Spirodela polyrhiza","review_decision":{"reason":"Single consistent approved flower-color category; explicit normalization of existing observation, not a fresh anatomical verification.","sources":["spirodela-polyrhiza--usda"],"status":"reviewed","value":"green"},"review_note":"Single consistent approved flower-color category; explicit normalization of existing observation, not a fresh anatomical verification.","review_sources":[{"approved_for_correction":true,"evidence_kind":"existing_structured_source_observation","excerpt":"{\"flower_color\": \"Green\"}","retrieved":"2026-09-24","sha256":null,"source_record_id":16483,"title":"USDA PLANTS","url":"https://plants.usda.gov/"}],"review_status":"reviewed","source_label":"USDA PLANTS","source_url":"https://plants.usda.gov/","values":{"primary_flower_color":"green"}},"floraquest_carolinas_georgia":{"matched_name":"Spirodela polyrhiza","retrieved":"2026-10-04T13:31:16.252589+00:00","scope":{"kind":"region","region_id":"floraquest_nc_sc_ga"},"scope_note":"Original regional ecological and identification evidence; no location-specific gardening adjustments.","source_label":"FloraQuest: Carolinas, Georgia (Southeastern Flora Team)","source_name":"Spirodela polyrhiza","source_record_id":376,"source_sha256":"684f6b364ff9f3023aa61ed02ae50f6f6d6d4d3bcf76847b78ab769ae0453469","source_url":"https://play.google.com/store/apps/details?id=com.emountainworks.android.southeastfieldguide","trait_evidence":[{"field":"habitat_description","source_column":"HabitatText","source_database_sha256":"684f6b364ff9f3023aa61ed02ae50f6f6d6d4d3bcf76847b78ab769ae0453469","source_record_id":376,"source_table":"Organism","value":"Still to slowly moving waters of ponds, lakes, beaver ponds, and swamps."},{"field":"geographic_range_description","source_column":"Description","source_database_sha256":"684f6b364ff9f3023aa61ed02ae50f6f6d6d4d3bcf76847b78ab769ae0453469","source_record_id":376,"source_table":"Organism","value":"Widespread worldwide."},{"field":"taxonomic_synonymy","source_column":"Synonymy","source_database_sha256":"684f6b364ff9f3023aa61ed02ae50f6f6d6d4d3bcf76847b78ab769ae0453469","source_record_id":376,"source_table":"Organism","value":"[= AqW, C, Can, ETx1, F, G, GW1, K4, Mi, NcTx, NS, NY, Ok, Pa, POWO, S, Tat, Tn, Tx, W, WH3, WV; = Spirodela polyrrhiza (L.) Schleid. — Ar, FNA22, GrPl, Il, K1, NE, RAB, S13, Va, Landolt (1980), Landolt (1986), Les & Crawford (1999), Spaulding et al (2019), orthographic variant]"},{"field":"botanical_comments","source_column":"Comments","source_database_sha256":"684f6b364ff9f3023aa61ed02ae50f6f6d6d4d3bcf76847b78ab769ae0453469","source_record_id":376,"source_table":"Organism","value":"The spelling of the epithet is correctly ' polyrhiza ', matching Linnaeus's basionym; there is no basis in the Code to change the spelling to ' polyrrhiza '."},{"field":"identification_notes","source_column":"IdentificationNotes","source_database_sha256":"684f6b364ff9f3023aa61ed02ae50f6f6d6d4d3bcf76847b78ab769ae0453469","source_record_id":376,"source_table":"Organism","value":"The largest of the \"duckweeds\" ( Landoltia , Lemna , Spirodela , Wolffia , Wolffiella )."},{"field":"heliophily_index","source_column":"HIndex","source_database_sha256":"684f6b364ff9f3023aa61ed02ae50f6f6d6d4d3bcf76847b78ab769ae0453469","source_record_id":376,"source_table":"Organism","value":7},{"field":"regional_wetland_indicators","source_column":"WetlandStatus1..5","source_database_sha256":"684f6b364ff9f3023aa61ed02ae50f6f6d6d4d3bcf76847b78ab769ae0453469","source_record_id":376,"source_table":"Organism","value":[{"source_column":"WetlandStatus1","value":"OBL"},{"source_column":"WetlandStatus2","value":"OBL"},{"source_column":"WetlandStatus3","value":"OBL"},{"source_column":"WetlandStatus4","value":"OBL"},{"source_column":"WetlandStatus5","value":"OBL"}]},{"field":"habitat_moisture_categories","source_column":"Attr2","source_database_sha256":"684f6b364ff9f3023aa61ed02ae50f6f6d6d4d3bcf76847b78ab769ae0453469","source_record_id":376,"source_table":"GraphicKey","value":["Water"]},{"field":"habitat_light_categories","source_column":"Attr3","source_database_sha256":"684f6b364ff9f3023aa61ed02ae50f6f6d6d4d3bcf76847b78ab769ae0453469","source_record_id":376,"source_table":"GraphicKey","value":["Partial shade","Full sun"]},{"field":"graphic_key_source_attributes","source_column":"Attr0..25","source_database_sha256":"684f6b364ff9f3023aa61ed02ae50f6f6d6d4d3bcf76847b78ab769ae0453469","source_record_id":376,"source_table":"GraphicKey","value":{"Attr0":"gr07","Attr1":"nc_cp,nc_pd,sc_cp,sc_pd,ga_cp,ga_pd,","Attr10":"7L05","Attr11":"7W3mm,7W7.5mm","Attr12":"grf","Attr2":"Water","Attr3":"Part,Sun","Attr3a":"y","Attr3a_subregion":"native_nc_cp:y,native_nc_pd:y,native_sc_cp:y,native_sc_pd:y,native_ga_cp:y,native_ga_pd:y,","Attr4":" 5-7","Attr5":"7H02","Attr6":"su","Attr7":"n","Attr8":"np","Attr9":"y"}}],"values":{"botanical_comments":"The spelling of the epithet is correctly ' polyrhiza ', matching Linnaeus's basionym; there is no basis in the Code to change the spelling to ' polyrrhiza '.","geographic_range_description":"Widespread worldwide.","graphic_key_source_attributes":{"Attr0":"gr07","Attr1":"nc_cp,nc_pd,sc_cp,sc_pd,ga_cp,ga_pd,","Attr10":"7L05","Attr11":"7W3mm,7W7.5mm","Attr12":"grf","Attr2":"Water","Attr3":"Part,Sun","Attr3a":"y","Attr3a_subregion":"native_nc_cp:y,native_nc_pd:y,native_sc_cp:y,native_sc_pd:y,native_ga_cp:y,native_ga_pd:y,","Attr4":" 5-7","Attr5":"7H02","Attr6":"su","Attr7":"n","Attr8":"np","Attr9":"y"},"habitat_description":"Still to slowly moving waters of ponds, lakes, beaver ponds, and swamps.","habitat_light_categories":["Partial shade","Full sun"],"habitat_moisture_categories":["Water"],"heliophily_index":7,"identification_notes":"The largest of the \"duckweeds\" ( Landoltia , Lemna , Spirodela , Wolffia , Wolffiella ).","regional_wetland_indicators":[{"source_column":"WetlandStatus1","value":"OBL"},{"source_column":"WetlandStatus2","value":"OBL"},{"source_column":"WetlandStatus3","value":"OBL"},{"source_column":"WetlandStatus4","value":"OBL"},{"source_column":"WetlandStatus5","value":"OBL"}],"taxonomic_synonymy":"[= AqW, C, Can, ETx1, F, G, GW1, K4, Mi, NcTx, NS, NY, Ok, Pa, POWO, S, Tat, Tn, Tx, W, WH3, WV; = Spirodela polyrrhiza (L.) Schleid. — Ar, FNA22, GrPl, Il, K1, NE, RAB, S13, Va, Landolt (1980), Landolt (1986), Les & Crawford (1999), Spaulding et al (2019), orthographic variant]"}},"ncsu_sitemap":{"matched_name":"Spirodela polyrhiza","retrieved":"2026-10-04T02:45:48.088147+00:00","scope":{"kind":"unspecified"},"scope_note":"Source-reported species characteristics; not a location-specific estimate.","source_label":"NC Extension Plant Toolbox","source_sha256":"1e150f1a85eb54dd94d1d0cb07be443740e628f73b5e704af4ef90415d7791fd","source_url":"https://plants.ces.ncsu.edu/plants/spirodela-polyrhiza/","trait_evidence":[{"expected_source_name":"Spirodela polyrhiza","field":"life_cycle","original_field":"life_cycle","record_id":"trait:376d25d5184dec969b5827ab71e2cba7418eaa8647012c802cb281f5846abcd8","retrieved_at":"2026-10-04T02:45:48.088147+00:00","scope":{"kind":"unspecified"},"scope_note":"Species profile; distribution and native-status discovery filters do not establish local growing or bloom timing.","source":"ncsu","source_name":"Spirodela polyrhiza","source_sha256":"1e150f1a85eb54dd94d1d0cb07be443740e628f73b5e704af4ef90415d7791fd","source_url":"https://plants.ces.ncsu.edu/plants/spirodela-polyrhiza/","status":"eligible_fact","taxon_id":"taxon:b8de2678-01e4-5d70-9f62-695aba7ea0c0","value":["Perennial"]},{"expected_source_name":"Spirodela polyrhiza","field":"moisture_categories","original_field":"soil_moisture","record_id":"trait:41e9509919d694a3c1f5b8a980555978347d0462d316e606a56fdfa5b65cf01a","retrieved_at":"2026-10-04T02:45:48.088147+00:00","scope":{"kind":"unspecified"},"scope_note":"Species profile; distribution and native-status discovery filters do not establish local growing or bloom timing.","source":"ncsu","source_name":"Spirodela polyrhiza","source_sha256":"1e150f1a85eb54dd94d1d0cb07be443740e628f73b5e704af4ef90415d7791fd","source_url":"https://plants.ces.ncsu.edu/plants/spirodela-polyrhiza/","status":"eligible_fact","taxon_id":"taxon:b8de2678-01e4-5d70-9f62-695aba7ea0c0","value":["Occasionally Wet"]},{"expected_source_name":"Spirodela polyrhiza","field":"soil_ph_categories","original_field":"soil_ph","record_id":"trait:9b55f8f83919ec6b3250ffcce3764c3d0ad908c40e95e2c63d8993849a535f41","retrieved_at":"2026-10-04T02:45:48.088147+00:00","scope":{"kind":"unspecified"},"scope_note":"Species profile; distribution and native-status discovery filters do not establish local growing or bloom timing.","source":"ncsu","source_name":"Spirodela polyrhiza","source_sha256":"1e150f1a85eb54dd94d1d0cb07be443740e628f73b5e704af4ef90415d7791fd","source_url":"https://plants.ces.ncsu.edu/plants/spirodela-polyrhiza/","status":"eligible_fact","taxon_id":"taxon:b8de2678-01e4-5d70-9f62-695aba7ea0c0","value":["Neutral (6.0-8.0)"]},{"expected_source_name":"Spirodela polyrhiza","field":"light","original_field":"light","record_id":"trait:e81adfee18267e309b77bdb72b1c1cfb0dc1791f02e7ecb28dd0896f4f0be9d2","retrieved_at":"2026-10-04T02:45:48.088147+00:00","scope":{"kind":"unspecified"},"scope_note":"Species profile; distribution and native-status discovery filters do not establish local growing or bloom timing.","source":"ncsu","source_name":"Spirodela polyrhiza","source_sha256":"1e150f1a85eb54dd94d1d0cb07be443740e628f73b5e704af4ef90415d7791fd","source_url":"https://plants.ces.ncsu.edu/plants/spirodela-polyrhiza/","status":"eligible_fact","taxon_id":"taxon:b8de2678-01e4-5d70-9f62-695aba7ea0c0","value":["Full sun (6 or more hours of direct sunlight a day)"]},{"expected_source_name":"Spirodela polyrhiza","field":"hardiness_zones","original_field":"hardiness","record_id":"trait:eb219bd7c8909f1d239da6243746ddaf4e99118f891fa26bd990776c8a14c4d3","retrieved_at":"2026-10-04T02:45:48.088147+00:00","scope":{"kind":"unspecified"},"scope_note":"Species profile; distribution and native-status discovery filters do not establish local growing or bloom timing.","source":"ncsu","source_name":"Spirodela polyrhiza","source_sha256":"1e150f1a85eb54dd94d1d0cb07be443740e628f73b5e704af4ef90415d7791fd","source_url":"https://plants.ces.ncsu.edu/plants/spirodela-polyrhiza/","status":"eligible_fact","taxon_id":"taxon:b8de2678-01e4-5d70-9f62-695aba7ea0c0","value":["5a, 5b, 6a, 6b, 7a, 7b, 8a, 8b, 9a, 9b, 10a, 10b, 11a, 11b"]}],"values":{"hardiness_zones":["5a, 5b, 6a, 6b, 7a, 7b, 8a, 8b, 9a, 9b, 10a, 10b, 11a, 11b"],"life_cycle":["Perennial"],"light":["Full sun (6 or more hours of direct sunlight a day)"],"moisture_categories":["Occasionally Wet"],"soil_ph_categories":["Neutral (6.0-8.0)"]}},"usda":{"matched_name":"Spirodela polyrhiza","retrieved":"2026-09-24","scope":"Nationwide species characteristics; local growing conditions may vary","source_label":"USDA PLANTS","source_url":"https://plants.usda.gov/","usda_id":16483,"values":{"bloom_season":"Late Summer","flower_color":"Green","foliage_color":"Green","fruit_season_begin":"Summer","fruit_season_end":"Fall","growth_architecture":"Single Crown","growth_rate":"Moderate","leaf_retention":"No"}}},"light_range":["full sun","full sun"],"light_source":"NC Extension Plant Toolbox","native_synthesis":{"claims":[{"claim":"native","matched_name":"Spirodela polyrhiza","scope":"TN-KY","source":"tnky_atlas","url":"https://tennessee-kentucky.plantatlas.usf.edu/plant/species/1046"},{"claim":"native","matched_name":"Spirodela polyrhiza","scope":"L48","source":"usda","text":"CAN:N HI:N L48:N PR:N VI:N","url":"https://plants.usda.gov/"},{"claim":"native","matched_name":"Spirodela polyrhiza","scope":"NC","source":"nc_flora","url":"https://auth1.dpr.ncparks.gov/flora/"}],"county_native_range":"unresolved","explanation":"Source scopes are preserved. State occurrence alone does not establish nativity; combined regional evidence is labeled estimated.","label":"Native to Kentucky (estimated from combined sources)","rule":"southeast-native-synthesis-1","status":"native_inferred"},"source_name":"Spirodela polyrhiza","taxon_id":"taxon:b8de2678-01e4-5d70-9f62-695aba7ea0c0","revision":"publish:5809c037-0e9a-430a-8008-5ab6f69800c0","photos":[]}