{"assessment":{"band":"Good","factor_identity":{"basis":"source accepted identity; genus-level evidence","growth_habit_source":"USDA PLANTS","name_used":"Lemna trisulca"},"factor_scopes":{"bees":"Southeastern North America","birds":"North America","caterpillars":"Host genera of native Lepidoptera with established Virginia range; association and range overlap, not confirmed local feeding.","specialists":"Eastern North America","structure":"USDA species growth habit where matched; otherwise sourced atlas growth habit"},"factors":{"applied_insect_credit":0,"baseline_score":31,"composite":0.539,"insect_support":{"credit":0,"groups":{"ants":{"credit":0,"flower_visits":[],"label":"Ants","recorded_name_count":null,"recorded_names":[],"seed_interactions":[],"status":"unknown"},"beetles":{"credit":0,"flower_visits":[],"label":"Beetles","recorded_name_count":null,"recorded_names":[],"seed_interactions":[],"status":"unknown"},"flies":{"credit":0,"flower_visits":[],"label":"Flies","recorded_name_count":null,"recorded_names":[],"seed_interactions":[],"status":"unknown"},"moths_butterflies":{"credit":0,"flower_visits":[],"label":"Adult butterflies / moths","recorded_name_count":null,"recorded_names":[],"seed_interactions":[],"status":"unknown"},"other_hymenoptera":{"credit":0,"flower_visits":[],"label":"Other wasps","recorded_name_count":null,"recorded_names":[],"seed_interactions":[],"status":"unknown"},"other_insects":{"credit":0,"flower_visits":[],"label":"Other insects","recorded_name_count":null,"recorded_names":[],"seed_interactions":[],"status":"unknown"}},"interpretation":"One provisional point per additional documented insect group, capped at five. Flower visits are a resource-use proxy, not confirmed feeding or pollination. Missing evidence is unknown. Study volume and repeated records earn no extra credit.","maximum_credit":5,"version":"insect-support-1"},"pct":{"bees":0.24379652605459057,"birds":0.9528535980148883,"caterpillars":0.6234491315136477,"specialists":0.4323821339950372,"structure":0.5},"rank_pct":0.306,"raw":{"bees":0,"birds":16,"caterpillars":4,"genus_used":null,"specialists":0,"structure":["Forb/herb"]}},"fit_score":null,"native_basis":"native_supported","rarity_adjustment":0,"rarity_policy":"Conservation status is displayed separately and never changes ecological scores, including when unranked.","reason":"Calculated with the shared rules using Virginia host-range and shared ecological evidence.","reference":"NC native reference cohort, method 0.6.4; not a Virginia percentile","score":31,"scoring_inputs":{"harm_penalty":0,"invasive":false,"invasive_rank":null,"native":true,"state_rank":"S1"},"source_ids":["lep_va","globi","bigbee","avian","usdahabit","robertson","antseed"],"status":"scored_provisional","version":"shared-0.6.5"},"condition_evidence":{},"evidence":{"fit_score":null,"growth_habit":null,"invasive_status":{"status":"unresolved"},"native_status":{"status":"native_supported"},"occurrence":{"county_fips":["51043","51069","51121","51155","51163","51165","51700","51810"],"meaning":"Recorded occurrence; not a county native-range assertion"},"quercus_score":null,"regional":{"county_fips":["51043","51069","51121","51155","51163","51165","51700","51810"],"growth_habit":null,"growth_habit_source":null,"invasive":null,"invasive_evidence":[],"invasive_rank":null,"native":true,"native_basis":"state_source","native_decided_by":"va_heritage","native_evidence":[{"claim":"native","flag":"N","matched_name":"Lemna trisulca","scope":"VA","source":"va_atlas","url":"https://vaplantatlas.org/index.php?do=plant&plant=1216"},{"basis":"exact taxon in the state heritage program list of native plants","claim":"native","matched_name":"Lemna trisulca","scope":"VA","source":"va_heritage","srank":"S1","url":"https://dcr.am.virginia.gov/natural-heritage/document/plantlist-current.pdf"},{"claim":"native","matched_name":"Lemna trisulca","scope":"L48","source":"usda","text":"AK:N CAN:N L48:N","url":"https://plants.usda.gov/"},{"claim":"native","matched_name":"Lemna trisulca","scope":"NC","source":"nc_flora","url":"https://auth1.dpr.ncparks.gov/flora/"},{"basis":"species account without the alien asterisk","claim":"native_distribution","matched_name":"Lemna trisulca","scope":"AL-AR-DC-DE-FL-GA-KY-LA-MD-MS-NC-NJ-PA-SC-TN-VA-WV","source":"weakley_fsus","url":"https://fsus.ncbg.unc.edu/"},{"basis":"Native field of the Northern Tier edition; the state is in its distribution","claim":"native","record_id":368,"scope":"DC-DE-IL-IN-KY-MD-NJ-NY-OH-PA-VA-WV","source":"floraquest_northern_tier","url":"https://fsus.ncbg.unc.edu/"},{"basis":"NatureServe subnational native or exotic flag for this state","claim":"native","matched_name":"Lemna trisulca","scope":"VA","source":"natureserve_explorer","srank":"S1","url":"https://explorer.natureserve.org/Taxon/ELEMENT_GLOBAL.2.154220/Lemna_trisulca"}],"native_explanation":"Virginia DCR Natural Heritage rare plant list (government agency, state claim) gives the value. Speaks for its own area (NC), not this state: Vascular Plants of North Carolina (NC Natural Heritage Program).","native_provenance":{"flags":[],"source":"va_heritage","specificity":"state","tier":"government"},"native_status":"native_supported","package_native_status":"native_supported","source_ids":["va_atlas:VA:1216"],"source_name":"Lemna trisulca","source_refs":["gbif_specimens","natureserve_explorer","va_atlas","va_heritage"],"source_url":"https://vaplantatlas.org/index.php?do=plant&plant=1216","state_rank":"S1"},"source_refs":["gbif_specimens","natureserve_explorer","va_atlas","va_heritage"],"source_url":"https://vaplantatlas.org/index.php?do=plant&plant=1216","state_rank":{"value":"S1"}},"fit_inputs":{"light":[3,4],"moisture":[3,4],"ph":[5.7,7]},"fit_provenance":{"light":"USDA PLANTS shade class 'High', read inverted (coarse)","moisture":"USACE wetland occurrence proxy (EMP); ; tolerates saturated soil (USDA/Niinemets)","ph":"USDA PLANTS"},"fit_record":{"band":"Good","condition_evidence":{},"county_fips":["21141","47009","47095","47131","51043","51069","51121","51155","51163","51165","51700","51810"],"fit_inputs":{"light":[3,4],"moisture":[3,4],"ph":[5.7,7]},"fit_note":"Shared sunlight, moisture and pH calculation; county geography is an additional layer. Missing source traits remain unknown.","fit_provenance":{"light":"USDA PLANTS shade class 'High', read inverted (coarse)","moisture":"USACE wetland occurrence proxy (EMP); ; tolerates saturated soil (USDA/Niinemets)","ph":"USDA PLANTS"},"garden_suitability":{"default_excluded":true,"flags":[{"code":"conservation_caution","default_excluded":true,"label":"Rare or protected plant","message":"Specialist conservation planting; excluded from routine garden suggestions.","records":[{"name":"Lemna trisulca","rank":"S1","source":"https://vaplantatlas.org/index.php?do=plant&plant=1216","state":"VA"}],"source":"https://vaplantatlas.org/index.php?do=plant&plant=1216"}],"review_status":"reviewed","suggestions_excluded":true},"invasive_rank":false,"native_eligible":true,"quercus_score":31,"state":"VA"},"garden_suitability":{"default_excluded":true,"flags":[{"code":"conservation_caution","default_excluded":true,"label":"Rare or protected plant","message":"Specialist conservation planting; excluded from routine garden suggestions.","records":[{"name":"Lemna trisulca","rank":"S1","source":"https://vaplantatlas.org/index.php?do=plant&plant=1216","state":"VA"}],"source":"https://vaplantatlas.org/index.php?do=plant&plant=1216"}],"review_status":"reviewed","suggestions_excluded":true},"growing_observations":{"botanical_review_primary_flower_color":{"matched_name":"Lemna trisulca","review_decision":{"reason":"Single consistent flower-color category across the main reference sources; normalization of existing observations, not a fresh anatomical verification.","sources":["lemna-trisulca--usda"],"status":"source_recorded","value":"green"},"review_note":"Single consistent flower-color category across the main reference sources; normalization of existing observations, 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":16476,"title":"USDA PLANTS","url":"https://plants.usda.gov/"}],"review_status":"source_recorded","source_label":"USDA PLANTS","source_url":"https://plants.usda.gov/","values":{"primary_flower_color":"green"}},"eol_usda":{"archive_doi":"10.5281/zenodo.22129810","matched_name":"Lemna trisulca","retrieved":"2026-09-30","scope":"Nationwide approximate species characteristics; tolerance categories do not specify sun hours or moisture requirements","scoring_allowed":false,"source_label":"USDA PLANTS via EOL TraitBank","source_sha256":"04bb6a5292502ddc757bb909f4151de4b9aaea042223dfb486ffe2a94a2564db","source_url":"http://plants.usda.gov/core/profile?symbol=LETR","trait_evidence":[{"citation":"The PLANTS Database, United States Department of Agriculture, National Resources Conservation Service. http://plants.usda.gov/","eol_page":"https://eol.org/pages/1142157","field":"drought_tolerance","method":"Compares the relative tolerance of the plant to drought conditions to other species with the same growth habit from the same geographical region. Drought tolerance is defined here in the following fashion: Imagine that in an acre of land there are low areas that have heavy soil and tend to accumulate more soil moisture, and higher areas that have coarse textured soil and tend to accumulate less soil moisture. Some plant species are most frequently found growing in the higher areas with the coarse soil texture. These plant species are considered to be more drought tolerant than the species that are frequently found in the low areas with fine textured soil.","source_url":"http://plants.usda.gov/core/profile?symbol=LETR","trait_id":"R133-PK288755239","trait_label":"drought tolerance","value":"none"},{"citation":"The PLANTS Database, United States Department of Agriculture, National Resources Conservation Service. http://plants.usda.gov/","eol_page":"https://eol.org/pages/1142157","field":"moisture_use","method":"","source_url":"http://plants.usda.gov/core/profile?symbol=LETR","trait_id":"R133-PK288767987","trait_label":"moisture use","value":"high"},{"citation":"The PLANTS Database, United States Department of Agriculture, National Resources Conservation Service. http://plants.usda.gov/","eol_page":"https://eol.org/pages/1142157","field":"shade_tolerance","method":"","source_url":"http://plants.usda.gov/core/profile?symbol=LETR","trait_id":"R133-PK288786134","trait_label":"shade tolerance","value":"low tolerance"}],"values":{"drought_tolerance":"none","moisture_use":"high","shade_tolerance":"low tolerance"}},"minnesota_wildflowers":{"matched_name":"Lemna trisulca","retrieved":"2026-10-04T02:36:07.636359+00:00","scope":{"kind":"unspecified"},"scope_note":"Source-reported species characteristics; not a location-specific estimate.","source_label":"Minnesota Wildflowers","source_sha256":"348b11748b9429be276b146d2cbddde7d09b859bc7023412f6b072cd33f559fd","source_url":"https://www.minnesotawildflowers.info/aquatic/star-duckweed","trait_evidence":[{"expected_source_name":"Lemna trisulca","field":"life_cycle","original_field":"life_cycle","record_id":"trait:27b764e4e1676f36275116980bf8af6c79c86f90e04542a375b84b5370ad716e","retrieved_at":"2026-10-04T02:36:07.636359+00:00","scope":{"kind":"unspecified"},"scope_note":"Species profile; distribution and native-status discovery filters do not establish local growing or bloom timing.","source":"minnesota","source_name":"Lemna trisulca","source_sha256":"348b11748b9429be276b146d2cbddde7d09b859bc7023412f6b072cd33f559fd","source_url":"https://www.minnesotawildflowers.info/aquatic/star-duckweed","status":"eligible_fact","taxon_id":"taxon:97d4126b-766b-59c6-8e4e-8aaa87689c72","value":["perennial"]}],"values":{"life_cycle":["perennial"]}},"usda":{"matched_name":"Lemna trisulca","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":16476,"values":{"bloom_season":"Late Spring","flower_color":"Green","foliage_color":"Green","fruit_season_begin":"Summer","fruit_season_end":"Summer","growth_architecture":"Stoloniferous","growth_rate":"Rapid","height_ft":0.3,"leaf_retention":"No"}}},"native_synthesis":{"claims":[{"claim":"native","flag":"N","matched_name":"Lemna trisulca","scope":"VA","source":"va_atlas","url":"https://vaplantatlas.org/index.php?do=plant&plant=1216"},{"basis":"exact taxon in the state heritage program list of native plants","claim":"native","matched_name":"Lemna trisulca","scope":"VA","source":"va_heritage","srank":"S1","url":"https://dcr.am.virginia.gov/natural-heritage/document/plantlist-current.pdf"},{"claim":"native","matched_name":"Lemna trisulca","scope":"L48","source":"usda","text":"AK:N CAN:N L48:N","url":"https://plants.usda.gov/"},{"claim":"native","matched_name":"Lemna trisulca","scope":"NC","source":"nc_flora","url":"https://auth1.dpr.ncparks.gov/flora/"},{"basis":"species account without the alien asterisk","claim":"native_distribution","matched_name":"Lemna trisulca","scope":"AL-AR-DC-DE-FL-GA-KY-LA-MD-MS-NC-NJ-PA-SC-TN-VA-WV","source":"weakley_fsus","url":"https://fsus.ncbg.unc.edu/"},{"basis":"Native field of the Northern Tier edition; the state is in its distribution","claim":"native","record_id":368,"scope":"DC-DE-IL-IN-KY-MD-NJ-NY-OH-PA-VA-WV","source":"floraquest_northern_tier","url":"https://fsus.ncbg.unc.edu/"},{"basis":"NatureServe subnational native or exotic flag for this state","claim":"native","matched_name":"Lemna trisulca","scope":"VA","source":"natureserve_explorer","srank":"S1","url":"https://explorer.natureserve.org/Taxon/ELEMENT_GLOBAL.2.154220/Lemna_trisulca"}],"county_native_range":"unresolved","decided_by":"va_heritage","explanation":"Virginia DCR Natural Heritage rare plant list (government agency, state claim) gives the value. Speaks for its own area (NC), not this state: Vascular Plants of North Carolina (NC Natural Heritage Program).","label":"Native to Virginia (state-specific source)","provenance":{"flags":[],"source":"va_heritage","specificity":"state","tier":"government"},"rule":"fact-hierarchy-2","status":"native_supported"},"source_name":"Lemna trisulca","taxon_id":"taxon:97d4126b-766b-59c6-8e4e-8aaa87689c72","revision":"publish:cdb975f5-333c-4482-92bd-514ef43ee9c3","photos":[{"id":"nohands-inat-693813406","src":"/api/photos/image/6903b55026409ff45f098c1ca0c60f0bb4fc48b577919d043d1491b8743a04d5.jpg","view":"foliage","alt":"Lemna trisulca — foliage photograph","width":1024,"height":683,"artist":"(c) Sawyer Hess, some rights reserved (CC BY)","license":"CC BY 4.0","license_url":"https://creativecommons.org/licenses/by/4.0/","source_url":"https://www.inaturalist.org/photos/693813406","changes":"iNaturalist large rendition; uncropped, no retouching.","kind":"photo"}]}