Index / Search / Ambrosia confertiflora
§1 Plant
Ambrosia confertiflora DC.
vernacular weakleaf bur ragweed — species · Asteraceae
§2Habit & range
Habit and range
- Growth habit
- Forb/herb
- Duration
- Perennial
- Group
- Dicot
- Family
- Asteraceae Bercht. & J. Presl
- Genus
- Ambrosia
Native status, by region
- L48 Lower 48 States Native
- PR Puerto Rico Native
County-level range
· 121 counties across 9 states/territories§3Cultivation
No cultivation specs.
USDA has not characterised this taxon. Roughly four out of five plants in the database lack the detailed cultivation record present here — typically because they have not been the focus of NRCS Plant Materials work. Range and distribution data are unaffected.
§4Counties, by state
Recorded in 121 counties across 9 states/territories.
Arizona view state ↗ 9 N ▾
California view state ↗ 12 N ▾
Colorado view state ↗ 5 N ▾
Kansas view state ↗ 8 N ▾
Nevada view state ↗ 1 N ▾
New Mexico view state ↗ 16 N ▾
Oklahoma view state ↗ 1 N ▾
Texas view state ↗ 68 N ▾
- Bee 48025
- Bexar 48029
- Blanco 48031
- Borden 48033
- Brewster 48043
- Brooks 48047
- Brown 48049
- Burnet 48053
- Callahan 48059
- Cameron 48061
- Coke 48081
- Coleman 48083
- Comal 48091
- Crockett 48105
- Dallam 48111
- Dallas 48113
- Dimmit 48127
- Duval 48131
- Eastland 48133
- Edwards 48137
- El Paso 48141
- Frio 48163
- Gillespie 48171
- Hartley 48205
- Hidalgo 48215
- Hudspeth 48229
- Jim Wells 48249
- Karnes 48255
- Kerr 48265
- Kimble 48267
- Kinney 48271
- Kleberg 48273
- La Salle 48283
- Lampasas 48281
- Live Oak 48297
- Llano 48299
- Lubbock 48303
- Mason 48319
- Maverick 48323
- McCulloch 48307
- McMullen 48311
- Medina 48325
- Menard 48327
- Mills 48333
- Nolan 48353
- Nueces 48355
- Pecos 48371
- Presidio 48377
- San Patricio 48409
- San Saba 48411
- Schleicher 48413
- Scurry 48415
- Shackelford 48417
- Sherman 48421
- Starr 48427
- Stephens 48429
- Sutton 48435
- Taylor 48441
- Terrell 48443
- Throckmorton 48447
- Tom Green 48451
- Travis 48453
- Uvalde 48463
- Val Verde 48465
- Ward 48475
- Webb 48479
- Zapata 48505
- Zavala 48507
Utah view state ↗ 1 N ▾
§5Sources & provenance
USDA PLANTS
Symbol, taxonomy, distribution, cultivation specs, native status. Public domain.
plants.usda.gov/AMCO3 ↗GBIF Backbone
Canonical taxonomic identity, synonym resolution, cross-refs. CC0.
gbif.org/species/3110654 ↗Record version
Cached and built locally. Source version on this record:
usda-plants-mt-2026-05-26
fetched 2026-05-26T20:46:58Z