horseweed
Conyza canadensis (L.) Cronq.

Selected Images


1120054
1120054

horseweed
Conyza canadensis
Plant(s)
James H. Miller & Ted Bodner
1120053
1120053

horseweed
Conyza canadensis
Plant(s)
James H. Miller & Ted Bodner
5374402
5374402

horseweed
Conyza canadensis
Foliage
Joseph M. DiTomaso
1358423
1358423

horseweed
Conyza canadensis
Foliage
Mary Ellen (Mel) Harte
5437414
5437414

horseweed
Conyza canadensis
Foliage
Bruce Ackley
1116025
1116025

horseweed
Conyza canadensis
Flower(s)
Charles T. Bryson
1358419
1358419

horseweed
Conyza canadensis
Flower(s)
Mary Ellen (Mel) Harte
1358421
1358421

horseweed
Conyza canadensis
Flower(s)
Mary Ellen (Mel) Harte
5437420
5437420

horseweed
Conyza canadensis
Seed(s)
Bruce Ackley
1557223
1557223

horseweed
Conyza canadensis
Seedling(s)
Ohio State Weed Lab Archive
1116024
1116024

horseweed
Conyza canadensis
Plant(s)
Charles T. Bryson

Maps


EDDMapS Distribution - This map is incomplete and is based only on current site and county level reports made by experts, herbaria, and literature. For more information, visit www.eddmaps.org

EDDMapS Distribution

State Regulated List - This map identifies those states that list this species on their regulated list. For more information, visit Invasive.org

State Regulated List

Most Troublesome / Most Common Agricultural Weed List
This map identifies those states that consider this species either most troublesome or most common in at least one commodity. For more information, visit the MTMC project page.

State Regulated List
Legend
   No Data for this state
   Troublesome or Common weed in one or more crops

Taxonomic Rank

Kingdom: Plantae
Phylum: Magnoliophyta
Class: Magnoliopsida
Subclass: Asteridae
Order: Asterales
Family: Asteraceae
Genus: Conyza

Other System Links

Plants: COCA5
Bayer: ERICA
GRIN: 104171
ITIS: 37113
NPDN Pest: PBFAYBA
NPDN Host: 28137

Synonyms and Other Names

Other Common Names:
Canadian horseweed, Canada horseweed, horseweed, horseweed fleabane, mare's tail, marestail

Categories

Category: Forbs/Herbs