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Flower visits are a resource-use proxy, not confirmed feeding or pollination. Missing evidence is unknown. 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not a county native-range assertion"},"quercus_score":null,"regional":{"county_fips":["51001","51029","51033","51057","51059","51085","51093","51095","51103","51111","51131","51147","51159","51175","51177","51179","51183","51199","51550","51800","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_atlas","native_evidence":[{"claim":"native","flag":"N","matched_name":"Eleocharis olivacea var. olivacea","scope":"VA","source":"va_atlas","url":"https://vaplantatlas.org/index.php?do=plant&plant=1355"},{"basis":"species account without the alien asterisk","claim":"native_distribution","matched_name":"Eleocharis olivacea var. olivacea","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":1524,"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":"Eleocharis olivacea var. olivacea","scope":"VA","source":"natureserve_explorer","srank":"S4","url":"https://explorer.natureserve.org/Taxon/ELEMENT_GLOBAL.2.138181/Eleocharis_olivacea_var_olivacea"}],"native_explanation":"Digital Atlas of the Virginia Flora (published flora, state claim) gives the value.","native_provenance":{"flags":["filled_down"],"source":"va_atlas","specificity":"state","tier":"published_flora"},"native_status":"native_supported","package_native_status":"native_supported","source_ids":["va_atlas:VA:1355"],"source_name":"Eleocharis olivacea var. olivacea","source_refs":["gbif_specimens","natureserve_explorer","va_atlas"],"source_url":"https://vaplantatlas.org/index.php?do=plant&plant=1355","state_rank":"S4"},"source_refs":["gbif_specimens","natureserve_explorer","va_atlas"],"source_url":"https://vaplantatlas.org/index.php?do=plant&plant=1355","state_rank":{"value":"S4"}},"fit_inputs":{"light":[2,4],"moisture":[3,4],"ph":null},"fit_provenance":{"light":"Weakley, Flora of the Southeastern United States (2025), Carolinas & Georgia edition","moisture":"Weakley, Flora of the Southeastern United States (2025), Carolinas & Georgia edition"},"fit_record":{"band":"Good","condition_evidence":{"light":{"evidence_id":"fact:11ce4f5292c53ab65ead10306c00418eb9acfe064d7bc44ee6c9bcb5020374d0","levels":[2,3,4],"policy":"selected-condition-categories-2","range":[2,4],"scope":{"kind":"region","region_id":"floraquest_nc_sc_ga"},"semantics":"documented_native_habitat_conditions","source_field":"habitat_light_categories","source_label":"Weakley, Flora of the Southeastern United States (2025), Carolinas & Georgia edition","source_url":"https://fsus.ncbg.unc.edu/","status":"mapped_selected_fact"},"moisture":{"evidence_id":"fact:5971a14c066dadd255f24f638cddcb2f933d38bdced63332c7f7a8bf787c2c48","levels":[3,4],"policy":"selected-condition-categories-2","range":[3,4],"scope":{"kind":"region","region_id":"floraquest_nc_sc_ga"},"semantics":"documented_native_habitat_conditions","source_field":"habitat_moisture_categories","source_label":"Weakley, Flora of the Southeastern United States (2025), Carolinas & Georgia edition","source_url":"https://fsus.ncbg.unc.edu/","status":"mapped_selected_fact"}},"county_fips":["47139","51001","51029","51033","51057","51059","51085","51093","51095","51103","51111","51131","51147","51159","51175","51177","51179","51183","51199","51550","51800","51810"],"fit_inputs":{"light":[2,4],"moisture":[3,4],"ph":null},"fit_note":"Shared sunlight, moisture and pH calculation; county geography is an additional layer. Missing source traits remain unknown.","fit_provenance":{"light":"Weakley, Flora of the Southeastern United States (2025), Carolinas & Georgia edition","moisture":"Weakley, Flora of the Southeastern United States (2025), Carolinas & Georgia edition"},"garden_suitability":{"default_excluded":false,"flags":[],"review_status":"not_assessed","suggestions_excluded":false},"invasive_rank":false,"native_eligible":true,"quercus_score":35,"state":"VA"},"garden_suitability":{"default_excluded":false,"flags":[],"review_status":"not_assessed","suggestions_excluded":false},"growing_observations":{"floraquest_carolinas_georgia":{"matched_name":"Eleocharis olivacea var. olivacea","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":"Weakley, Flora of the Southeastern United States (2025), Carolinas & Georgia edition","source_name":"Eleocharis olivacea var. olivacea","source_record_id":1524,"source_sha256":"684f6b364ff9f3023aa61ed02ae50f6f6d6d4d3bcf76847b78ab769ae0453469","source_url":"https://fsus.ncbg.unc.edu/","trait_evidence":[{"field":"habitat_description","source_column":"HabitatText","source_database_sha256":"684f6b364ff9f3023aa61ed02ae50f6f6d6d4d3bcf76847b78ab769ae0453469","source_record_id":1524,"source_table":"Organism","value":"Coastal Plain ponds, pools, other wet, sandy or peaty habitats."},{"field":"geographic_range_description","source_column":"Description","source_database_sha256":"684f6b364ff9f3023aa61ed02ae50f6f6d6d4d3bcf76847b78ab769ae0453469","source_record_id":1524,"source_table":"Organism","value":"Nova Scotia west to Minnesota, south to Florida and Texas."},{"field":"phenology_source_text","source_column":"Phenology","source_database_sha256":"684f6b364ff9f3023aa61ed02ae50f6f6d6d4d3bcf76847b78ab769ae0453469","source_record_id":1524,"source_table":"Organism","value":"Jun-Sep."},{"field":"taxonomic_synonymy","source_column":"Synonymy","source_database_sha256":"684f6b364ff9f3023aa61ed02ae50f6f6d6d4d3bcf76847b78ab769ae0453469","source_record_id":1524,"source_table":"Organism","value":"[= K1, NS; > Eleocharis flaccida (Rchb.) 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E. flaccida sensu Svenson 1929) has purplish-brown to black achenes, while E. olivacea ( E. olivacea sensu Svenson 1929) has more olivaceous-colored achenes."},{"field":"heliophily_index","source_column":"HIndex","source_database_sha256":"684f6b364ff9f3023aa61ed02ae50f6f6d6d4d3bcf76847b78ab769ae0453469","source_record_id":1524,"source_table":"Organism","value":8},{"field":"regional_wetland_indicators","source_column":"WetlandStatus1..5","source_database_sha256":"684f6b364ff9f3023aa61ed02ae50f6f6d6d4d3bcf76847b78ab769ae0453469","source_record_id":1524,"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":"wetland_source_note","source_column":"WetlandNote","source_database_sha256":"684f6b364ff9f3023aa61ed02ae50f6f6d6d4d3bcf76847b78ab769ae0453469","source_record_id":1524,"source_table":"Organism","value":"taxonomic split from wetland indicator species"},{"field":"habitat_moisture_categories","source_column":"Attr2","source_database_sha256":"684f6b364ff9f3023aa61ed02ae50f6f6d6d4d3bcf76847b78ab769ae0453469","source_record_id":1524,"source_table":"GraphicKey","value":["Moist","Wet"]},{"field":"habitat_light_categories","source_column":"Attr3","source_database_sha256":"684f6b364ff9f3023aa61ed02ae50f6f6d6d4d3bcf76847b78ab769ae0453469","source_record_id":1524,"source_table":"GraphicKey","value":["Partial shade","Full sun"]},{"field":"graphic_key_source_attributes","source_column":"Attr0..25","source_database_sha256":"684f6b364ff9f3023aa61ed02ae50f6f6d6d4d3bcf76847b78ab769ae0453469","source_record_id":1524,"source_table":"GraphicKey","value":{"Attr0":"gr04","Attr1":"nc_cp,nc_pd,sc_cp,ga_cp,","Attr10":"4H23","Attr11":"na","Attr12":"4Bw0","Attr2":"Moist,Wet","Attr3":"Part,Sun","Attr3a":"y","Attr3a_subregion":"native_nc_cp:y,native_nc_pd:y,native_sc_cp:y,native_ga_cp:y,","Attr4":" 5-10","Attr5":"y","Attr6":"n","Attr7":"n","Attr8":"c,r","Attr9":"y"}},{"field":"bloom_season","source_column":"Phenology","source_database_sha256":"684f6b364ff9f3023aa61ed02ae50f6f6d6d4d3bcf76847b78ab769ae0453469","source_record_id":1524,"source_table":"Organism","value":"June to September"}],"values":{"bloom_season":"June to September","botanical_comments":"Some authors (Menapace 1993) prefer a broader concept of Eleocharis ser. Maculosae Svenson, only recognizing two varieties of E. flavescens , citing difficulty in delimiting varieties within this larger species complex, and placing E. olivacea Torr. as a variety of E. flavescens (Gleason 1991; Menapace 1993). Numerous synonyms have been published in an attempt to categorize the broad variation in this complex. Broadly defined, E. flavescens (syn. E. flaccida sensu Svenson 1929) has purplish-brown to black achenes, while E. olivacea ( E. olivacea sensu Svenson 1929) has more olivaceous-colored achenes.","geographic_range_description":"Nova Scotia west to Minnesota, south to Florida and Texas.","graphic_key_source_attributes":{"Attr0":"gr04","Attr1":"nc_cp,nc_pd,sc_cp,ga_cp,","Attr10":"4H23","Attr11":"na","Attr12":"4Bw0","Attr2":"Moist,Wet","Attr3":"Part,Sun","Attr3a":"y","Attr3a_subregion":"native_nc_cp:y,native_nc_pd:y,native_sc_cp:y,native_ga_cp:y,","Attr4":" 5-10","Attr5":"y","Attr6":"n","Attr7":"n","Attr8":"c,r","Attr9":"y"},"habitat_description":"Coastal Plain ponds, pools, other wet, sandy or peaty habitats.","habitat_light_categories":["Partial shade","Full sun"],"habitat_moisture_categories":["Moist","Wet"],"heliophily_index":8,"phenology_source_text":"Jun-Sep.","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":"[= K1, NS; > Eleocharis flaccida (Rchb.) Urb. — S; Eleocharis flavescens (Poir.) Urb. — RAB, Tx; Eleocharis flavescens (Poir.) Urb. var. olivacea (Torr.) Gleason — Ar, C, Can, ETx1, FNA23, G, K4, Mi, NE, NY, POWO; Eleocharis olivacea Torrey — F, GW1, Il, Pa, Tat, WH3; > Eleocharis olivacea Torrey — S]","wetland_source_note":"taxonomic split from wetland indicator species"}}},"light_range":["part shade","full sun"],"light_source":"Weakley, Flora of the Southeastern United States (2025), Carolinas & Georgia edition","native_synthesis":{"claims":[{"claim":"native","flag":"N","matched_name":"Eleocharis olivacea var. olivacea","scope":"VA","source":"va_atlas","url":"https://vaplantatlas.org/index.php?do=plant&plant=1355"},{"basis":"species account without the alien asterisk","claim":"native_distribution","matched_name":"Eleocharis olivacea var. olivacea","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":1524,"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":"Eleocharis olivacea var. olivacea","scope":"VA","source":"natureserve_explorer","srank":"S4","url":"https://explorer.natureserve.org/Taxon/ELEMENT_GLOBAL.2.138181/Eleocharis_olivacea_var_olivacea"}],"county_native_range":"unresolved","decided_by":"va_atlas","explanation":"Digital Atlas of the Virginia Flora (published flora, state claim) gives the value.","label":"Native to Virginia (state-specific source)","provenance":{"flags":["filled_down"],"source":"va_atlas","specificity":"state","tier":"published_flora"},"rule":"fact-hierarchy-2","status":"native_supported"},"source_name":"Eleocharis olivacea var. olivacea","taxon_id":"taxon:9135b6e4-a981-5c0a-be59-e54b9a06f90f","revision":"publish:cdb975f5-333c-4482-92bd-514ef43ee9c3","photos":[{"id":"recovery-pmc-eleocharis-olivacea-var-olivacea-tn-3561-47b","src":"/api/photos/image/517fa2821f06c503b8193173a084f734132a076e8b502b20a13c35fa51c5eb01.jpg","view":"whole","alt":"Eleocharis olivacea var. olivacea — whole photograph","width":800,"height":540,"artist":"Nathan Howell; Howell, Krings and Braham (2016)","license":"CC BY 4.0","license_url":"https://creativecommons.org/licenses/by/4.0/","source_url":"https://pmc.ncbi.nlm.nih.gov/articles/PMC4911545/#F2216212","changes":"Original published individual photograph panel; no crop, retouching, or re-encoding","kind":"photo"}]}