Ambrosia confertiflora
Bur Ragweed, Burr Ragweed
Other regional names: Ragweed +3 more
- Ragweed
- Slimleaf Bursage
- Weakleaf Bur Ragweed
- Weakleaf Burr Ragweed
Also known as: Ambrosia caudata (Rydb.) Shinners +10 more
- Ambrosia caudata (Rydb.) Shinners
- Franseria caudata Rydb.
- Franseria confertiflora (DC.) Rydb.
- Franseria hispidissima Rydb.
- Franseria incana Rydb.
- Franseria pringlei Rydb.
- Franseria strigulosa Rydb.
- Franseria tenuifolia var. tenuifolia
- Franseria tenuifolia var. tripinnatifida A.Gray
- Gaertneria tenuifolia Harv. & A.Gray
- Gaertneria tenuifolia Kuntze
Botanical Data
- Taxonomic Rank: Species
- Botanical Family: Asteraceae
- WCVP Morphological Data: Recorded natively as a perennial.
Find Reference Images
Google-powered external web search for Ambrosia confertiflora
Ambrosia confertiflora (commonly known as Bur Ragweed or Burr ragweed) is a herbaceous perennial belonging to the Asteraceae family. Indigenous to North America, this species is primarily associated with subtropical conditions.
Macro Climate
Subtropical
Plant Type
Herbaceous Perennial
Native Range
Continents (WGSRPD)
NORTHERN AMERICA
Regions (WGSRPD)
Mexico, North-Central U.S.A., Northwestern U.S.A., South-Central U.S.A., Southwestern U.S.A.
Botanical Countries (WGSRPD L3)
Arizona, California, Colorado, Kansas, Mexico Central, Mexico Gulf, Mexico Northeast, Mexico Northwest, Mexico Southwest, New Mexico, Oklahoma, Texas, Utah
Introduced Range
Plants flagged as 'Introduced' have been transported outside their native historical range by human activity. While many are common ornamentals, some may become naturalized or invasive in local environments. Local ecological guidelines require verification prior to planting.
Botanical Countries (Non-Native)
Dominican Republic, Mexican Pacific Is., New South Wales, Palestine, Queensland, South Australia, Tennessee, Tunisia