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.
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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
An “Introduced” distribution indicates that the plant is recorded outside its native range in that region as a result of deliberate or accidental human introduction. Introduced records may include casual, naturalized or invasive populations, but do not include plants that are only cultivated or planted without self-sustaining populations.
Botanical Countries (Non-Native)
Dominican Republic, Mexican Pacific Is., New South Wales, Palestine, Queensland, South Australia, Tennessee, Tunisia