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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":0.6643920595533499,"caterpillars":0.6234491315136477,"specialists":0.4323821339950372,"structure":0.5},"rank_pct":0.251,"raw":{"bees":0,"birds":1,"caterpillars":4,"genus_used":null,"specialists":0,"structure":["Graminoid"]}},"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":27,"scoring_inputs":{"harm_penalty":0,"invasive":false,"invasive_rank":null,"native":true,"state_rank":"S3S4"},"source_ids":["lep_va","globi","bigbee","avian","usdahabit","robertson","antseed"],"status":"scored_provisional","version":"shared-0.6.5"},"condition_evidence":{"light":{"evidence_id":"fact:ce6f87aaca5cb14cdac50dfa948db6086722e6d4bc55a80247f57825a5628a88","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:c2faf0f5797e75e86015e9e89008633474adba3e6fe36900412b409a72f69242","levels":[0,3,4],"policy":"selected-condition-categories-2","range":[0,4],"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"}},"evidence":{"fit_score":null,"growth_habit":["Graminoid"],"invasive_status":{"status":"unresolved"},"native_status":{"status":"native_supported"},"occurrence":{"county_fips":["51005","51009","51015","51017","51021","51035","51043","51047","51051","51059","51061","51063","51067","51069","51071","51077","51079","51107","51113","51125","51139","51153","51157","51173","51187","51195","51197"],"meaning":"Recorded occurrence; not a county native-range assertion"},"quercus_score":null,"regional":{"county_fips":["51005","51009","51015","51017","51021","51035","51043","51047","51051","51059","51061","51063","51067","51069","51071","51077","51079","51107","51113","51125","51139","51153","51157","51173","51187","51195","51197"],"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":"Muhlenbergia mexicana","scope":"VA","source":"va_atlas","url":"https://vaplantatlas.org/index.php?do=plant&plant=1619"},{"claim":"native","matched_name":"Muhlenbergia mexicana","scope":"L48","source":"usda","text":"CAN:N HI:I L48:N","url":"https://plants.usda.gov/"},{"claim":"native","matched_name":"Muhlenbergia mexicana","scope":"NC","source":"nc_flora","url":"https://auth1.dpr.ncparks.gov/flora/"},{"basis":"native range text in the regional flora","claim":"native","scope":"NC-SC-GA","source":"floraquest_carolinas_georgia","text":"The epithet is something of a misnomer; the species is largely northern, occurring from Nova Scotia, Ontario, Manitoba, Saskatchewan, and Yukon Territory, south to North Carolina, Tennessee, Arkansas, Texas, New Mexico, Arizona, California, and Mexico (Chihuahua, Durango, Nuevo León).","url":"https://fsus.ncbg.unc.edu/"},{"basis":"native range text names Tennessee","claim":"native","scope":"TN","source":"floraquest_carolinas_georgia","text":"The epithet is something of a misnomer; the species is largely northern, occurring from Nova Scotia, Ontario, Manitoba, Saskatchewan, and Yukon Territory, south to North Carolina, Tennessee, Arkansas, Texas, New Mexico, Arizona, California, and Mexico (Chihuahua, Durango, Nuevo León).","url":"https://fsus.ncbg.unc.edu/"},{"basis":"species account without the alien asterisk","claim":"native_distribution","matched_name":"Muhlenbergia mexicana","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":2137,"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":"Muhlenbergia mexicana","scope":"VA","source":"natureserve_explorer","srank":"S3S4","url":"https://explorer.natureserve.org/Taxon/ELEMENT_GLOBAL.2.148555/Muhlenbergia_mexicana"}],"native_explanation":"Digital Atlas of the Virginia Flora (published flora, state claim) gives the value, over a broader claim from a higher tier. Speaks for its own area (GA-NC-SC, NC, TN), not this state: Vascular Plants of North Carolina (NC Natural Heritage Program), Weakley, Flora of the Southeastern United States (2025), Carolinas & Georgia edition.","native_provenance":{"flags":["over_higher_tier"],"source":"va_atlas","specificity":"state","tier":"published_flora"},"native_status":"native_supported","package_native_status":"native_supported","source_ids":["va_atlas:VA:1619"],"source_name":"Muhlenbergia mexicana","source_refs":["gbif_specimens","natureserve_explorer","va_atlas"],"source_url":"https://vaplantatlas.org/index.php?do=plant&plant=1619","state_rank":"S3S4"},"source_refs":["gbif_specimens","natureserve_explorer","va_atlas"],"source_url":"https://vaplantatlas.org/index.php?do=plant&plant=1619","state_rank":{"value":"S3S4"}},"fit_inputs":{"light":[2,4],"moisture":[0,4],"ph":[5.5,7.5]},"fit_provenance":{"counties":"USDA PLANTS: recorded in 3 NC counties","light":"Weakley, Flora of the Southeastern United States (2025), Carolinas & Georgia edition","moisture":"Weakley, Flora of the Southeastern United States (2025), Carolinas & Georgia edition","ph":"USDA PLANTS"},"fit_record":{"band":"Good","condition_evidence":{"light":{"evidence_id":"fact:ce6f87aaca5cb14cdac50dfa948db6086722e6d4bc55a80247f57825a5628a88","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:c2faf0f5797e75e86015e9e89008633474adba3e6fe36900412b409a72f69242","levels":[0,3,4],"policy":"selected-condition-categories-2","range":[0,4],"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":["21049","37021","37113","37121","51005","51009","51015","51017","51021","51035","51043","51047","51051","51059","51061","51063","51067","51069","51071","51077","51079","51107","51113","51125","51139","51153","51157","51173","51187","51195","51197"],"fit_inputs":{"light":[2,4],"moisture":[0,4],"ph":[5.5,7.5]},"fit_note":"Shared sunlight, moisture and pH calculation; county geography is an additional layer. Missing source traits remain unknown.","fit_provenance":{"counties":"USDA PLANTS: recorded in 3 NC counties","light":"Weakley, Flora of the Southeastern United States (2025), Carolinas & Georgia edition","moisture":"Weakley, Flora of the Southeastern United States (2025), Carolinas & Georgia edition","ph":"USDA PLANTS"},"garden_suitability":{"default_excluded":false,"flags":[],"review_status":"not_assessed","suggestions_excluded":false},"invasive_rank":false,"native_eligible":true,"quercus_score":27,"state":"VA"},"garden_suitability":{"default_excluded":false,"flags":[],"review_status":"not_assessed","suggestions_excluded":false},"growing_observations":{"eol_usda":{"archive_doi":"10.5281/zenodo.22129810","matched_name":"Muhlenbergia mexicana","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=MUME2","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/1115077","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=MUME2","trait_id":"R133-PK288756474","trait_label":"drought tolerance","value":"low tolerance"},{"citation":"The PLANTS Database, United States Department of Agriculture, National Resources Conservation Service. http://plants.usda.gov/","eol_page":"https://eol.org/pages/1115077","field":"moisture_use","method":"","source_url":"http://plants.usda.gov/core/profile?symbol=MUME2","trait_id":"R133-PK288766769","trait_label":"moisture use","value":"medium"},{"citation":"The PLANTS Database, United States Department of Agriculture, National Resources Conservation Service. http://plants.usda.gov/","eol_page":"https://eol.org/pages/1115077","field":"shade_tolerance","method":"","source_url":"http://plants.usda.gov/core/profile?symbol=MUME2","trait_id":"R133-PK288787040","trait_label":"shade tolerance","value":"medium (normal)"}],"values":{"drought_tolerance":"low tolerance","moisture_use":"medium","shade_tolerance":"medium (normal)"}},"floraquest_carolinas_georgia":{"matched_name":"Muhlenbergia mexicana","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":"Muhlenbergia mexicana","source_record_id":2137,"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":2137,"source_table":"Organism","value":"Mafic and calcareous fens, seeps, dry rocky woodlands, barrens, outcrops, and disturbed areas, usually over mafic or calcareous substrates."},{"field":"geographic_range_description","source_column":"Description","source_database_sha256":"684f6b364ff9f3023aa61ed02ae50f6f6d6d4d3bcf76847b78ab769ae0453469","source_record_id":2137,"source_table":"Organism","value":"The epithet is something of a misnomer; the species is largely northern, occurring from Nova Scotia, Ontario, Manitoba, Saskatchewan, and Yukon Territory, south to North Carolina, Tennessee, Arkansas, Texas, New Mexico, Arizona, California, and Mexico (Chihuahua, Durango, Nuevo León)."},{"field":"phenology_source_text","source_column":"Phenology","source_database_sha256":"684f6b364ff9f3023aa61ed02ae50f6f6d6d4d3bcf76847b78ab769ae0453469","source_record_id":2137,"source_table":"Organism","value":"Sep-Oct."},{"field":"taxonomic_synonymy","source_column":"Synonymy","source_database_sha256":"684f6b364ff9f3023aa61ed02ae50f6f6d6d4d3bcf76847b78ab769ae0453469","source_record_id":2137,"source_table":"Organism","value":"[= C, F, G, HC, K1, K4, Mex, Mi, Mo1, NcTx, NE, NS, NY, Pa, POWO, RAB, S13, Va, W, WV; = Muhlenbergia foliosa (Roem. & Schult.) Trin. — S; = n/a — Tat; > Muhlenbergia mexicana (L.) Trin. var. filiformis (Torr.) Scribn. — Can, FNA25, Il, NSProv; > Muhlenbergia mexicana (L.) Trin. var. mexicana — Can, FNA25, Il, NSProv]"},{"field":"heliophily_index","source_column":"HIndex","source_database_sha256":"684f6b364ff9f3023aa61ed02ae50f6f6d6d4d3bcf76847b78ab769ae0453469","source_record_id":2137,"source_table":"Organism","value":8},{"field":"regional_wetland_indicators","source_column":"WetlandStatus1..5","source_database_sha256":"684f6b364ff9f3023aa61ed02ae50f6f6d6d4d3bcf76847b78ab769ae0453469","source_record_id":2137,"source_table":"Organism","value":[{"source_column":"WetlandStatus1","value":"FACW"},{"source_column":"WetlandStatus2","value":"FAC"},{"source_column":"WetlandStatus3","value":"FACW"},{"source_column":"WetlandStatus4","value":"FACW"},{"source_column":"WetlandStatus5","value":"FACW"}]},{"field":"habitat_moisture_categories","source_column":"Attr2","source_database_sha256":"684f6b364ff9f3023aa61ed02ae50f6f6d6d4d3bcf76847b78ab769ae0453469","source_record_id":2137,"source_table":"GraphicKey","value":["Dry","Moist","Wet"]},{"field":"habitat_light_categories","source_column":"Attr3","source_database_sha256":"684f6b364ff9f3023aa61ed02ae50f6f6d6d4d3bcf76847b78ab769ae0453469","source_record_id":2137,"source_table":"GraphicKey","value":["Partial shade","Full sun"]},{"field":"graphic_key_source_attributes","source_column":"Attr0..25","source_database_sha256":"684f6b364ff9f3023aa61ed02ae50f6f6d6d4d3bcf76847b78ab769ae0453469","source_record_id":2137,"source_table":"GraphicKey","value":{"Attr0":"gr03","Attr1":"nc_mt,","Attr10":"a,no","Attr11":"g","Attr12":"me","Attr13":"3Bw14,3Bw7","Attr2":"Dry,Moist,Wet","Attr3":"Part,Sun","Attr3a":"y","Attr3a_subregion":"native_nc_mt:y,","Attr4":" 8-11","Attr5":"h","Attr6":"le,mo","Attr7":"t","Attr8":"1","Attr9":"g"}},{"field":"bloom_season","source_column":"Phenology","source_database_sha256":"684f6b364ff9f3023aa61ed02ae50f6f6d6d4d3bcf76847b78ab769ae0453469","source_record_id":2137,"source_table":"Organism","value":"September to October"}],"values":{"bloom_season":"September to October","geographic_range_description":"The epithet is something of a misnomer; the species is largely northern, occurring from Nova Scotia, Ontario, Manitoba, Saskatchewan, and Yukon Territory, south to North Carolina, Tennessee, Arkansas, Texas, New Mexico, Arizona, California, and Mexico (Chihuahua, Durango, Nuevo León).","graphic_key_source_attributes":{"Attr0":"gr03","Attr1":"nc_mt,","Attr10":"a,no","Attr11":"g","Attr12":"me","Attr13":"3Bw14,3Bw7","Attr2":"Dry,Moist,Wet","Attr3":"Part,Sun","Attr3a":"y","Attr3a_subregion":"native_nc_mt:y,","Attr4":" 8-11","Attr5":"h","Attr6":"le,mo","Attr7":"t","Attr8":"1","Attr9":"g"},"habitat_description":"Mafic and calcareous fens, seeps, dry rocky woodlands, barrens, outcrops, and disturbed areas, usually over mafic or calcareous substrates.","habitat_light_categories":["Partial shade","Full sun"],"habitat_moisture_categories":["Dry","Moist","Wet"],"heliophily_index":8,"phenology_source_text":"Sep-Oct.","regional_wetland_indicators":[{"source_column":"WetlandStatus1","value":"FACW"},{"source_column":"WetlandStatus2","value":"FAC"},{"source_column":"WetlandStatus3","value":"FACW"},{"source_column":"WetlandStatus4","value":"FACW"},{"source_column":"WetlandStatus5","value":"FACW"}],"taxonomic_synonymy":"[= C, F, G, HC, K1, K4, Mex, Mi, Mo1, NcTx, NE, NS, NY, Pa, POWO, RAB, S13, Va, W, WV; = Muhlenbergia foliosa (Roem. & Schult.) Trin. — S; = n/a — Tat; > Muhlenbergia mexicana (L.) Trin. var. filiformis (Torr.) Scribn. — Can, FNA25, Il, NSProv; > Muhlenbergia mexicana (L.) Trin. var. mexicana — Can, FNA25, Il, NSProv]"}},"usda":{"matched_name":"Muhlenbergia mexicana","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":24042,"values":{"bloom_season":"Late Summer","flower_color":"Green","foliage_color":"Green","fruit_season_begin":"Summer","fruit_season_end":"Fall","growth_architecture":"Rhizomatous","growth_rate":"Moderate","height_ft":3,"leaf_retention":"No"}}},"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":"Muhlenbergia mexicana","scope":"VA","source":"va_atlas","url":"https://vaplantatlas.org/index.php?do=plant&plant=1619"},{"claim":"native","matched_name":"Muhlenbergia mexicana","scope":"L48","source":"usda","text":"CAN:N HI:I L48:N","url":"https://plants.usda.gov/"},{"claim":"native","matched_name":"Muhlenbergia mexicana","scope":"NC","source":"nc_flora","url":"https://auth1.dpr.ncparks.gov/flora/"},{"basis":"native range text in the regional flora","claim":"native","scope":"NC-SC-GA","source":"floraquest_carolinas_georgia","text":"The epithet is something of a misnomer; the species is largely northern, occurring from Nova Scotia, Ontario, Manitoba, Saskatchewan, and Yukon Territory, south to North Carolina, Tennessee, Arkansas, Texas, New Mexico, Arizona, California, and Mexico (Chihuahua, Durango, Nuevo León).","url":"https://fsus.ncbg.unc.edu/"},{"basis":"native range text names Tennessee","claim":"native","scope":"TN","source":"floraquest_carolinas_georgia","text":"The epithet is something of a misnomer; the species is largely northern, occurring from Nova Scotia, Ontario, Manitoba, Saskatchewan, and Yukon Territory, south to North Carolina, Tennessee, Arkansas, Texas, New Mexico, Arizona, California, and Mexico (Chihuahua, Durango, Nuevo León).","url":"https://fsus.ncbg.unc.edu/"},{"basis":"species account without the alien asterisk","claim":"native_distribution","matched_name":"Muhlenbergia mexicana","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":2137,"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":"Muhlenbergia mexicana","scope":"VA","source":"natureserve_explorer","srank":"S3S4","url":"https://explorer.natureserve.org/Taxon/ELEMENT_GLOBAL.2.148555/Muhlenbergia_mexicana"}],"county_native_range":"unresolved","decided_by":"va_atlas","explanation":"Digital Atlas of the Virginia Flora (published flora, state claim) gives the value, over a broader claim from a higher tier. Speaks for its own area (GA-NC-SC, NC, TN), not this state: Vascular Plants of North Carolina (NC Natural Heritage Program), Weakley, Flora of the Southeastern United States (2025), Carolinas & Georgia edition.","label":"Native to Virginia (state-specific source)","provenance":{"flags":["over_higher_tier"],"source":"va_atlas","specificity":"state","tier":"published_flora"},"rule":"fact-hierarchy-2","status":"native_supported"},"source_name":"Muhlenbergia mexicana","taxon_id":"taxon:83af0e34-fbe3-5b03-a06d-666f2666d03f","revision":"publish:cdb975f5-333c-4482-92bd-514ef43ee9c3","photos":[{"id":"muhlenbergia-mexicana-10550551","src":"/api/photos/image/47ab2ff554d570ff3b40987e5d901616425efca92c5f08b4e74581e49110a306.jpg","view":"foliage","alt":"Muhlenbergia mexicana — foliage photograph","width":960,"height":720,"artist":"Daderot","license":"Public domain","license_url":"https://commons.wikimedia.org/wiki/Commons:Public_domain","source_url":"https://commons.wikimedia.org/wiki/File:Muhlenbergia_mexicana_-_Berlin_Botanical_Garden_-_IMG_8586.JPG","changes":"Wikimedia thumbnail; no crop or retouching","kind":"photo"}]}