Canada

Fleabane (Canada fleabane)

Conyza canadensis (Erigeron canadensis)

Robust, erect annual herb to 1.5 m high, hispid; stems simple below the inflorescence, sparsely hirsute with long spreading septate hairs.
Leaves with long spreading antrorse septate hairs mainly confined to the margins and lower midrib; basal leaves oblong to oblanceolate, 2–10 cm long, 3–8 mm wide, toothed; upper leaves elliptic to linear, entire or finely toothed.
Inflorescence an extensive pyramidal panicle; heads campanulate to hemispherical, 3–4 mm long, 3–4 mm diam.; involucral bracts glabrous or sparsely hairy, light brown with paler margins, inner surface light brown. Outer florets with white ligules c. 1 mm long; inner florets few.
Achenes oblong, pale, pubescent; pappus of many, creamy bristles c. 4 mm long.

Pesticides
Arsenal
intensity: ★★★
Arsenal Powerline
intensity: ★★★
Broadstrike RC
intensity: ★★★
Cheminova Glyphosate
intensity: ★★★
Cheminova Glyphosate II
intensity: ★★★
Clearout 41 Plus
intensity: ★★★
Clearview
intensity: ★★★
Credit 360
intensity: ★★★
Credit Plus
intensity: ★★★
Cycle
intensity: ★★★
Depose
intensity: ★★★
Durango
intensity: ★★★
Dycleer Agricultural
intensity: ★★★
Enlist Duo
intensity: ★★★
Eragon LQ
intensity: ★★★
Express PRO
intensity: ★★★
Flexstar GT
intensity: ★★★
GF-2018
intensity: ★★★
GF-2654 TSOY
intensity: ★★★
GF-2726 TSOY
intensity: ★★★
GF-772
intensity: ★★★
GF-871
intensity: ★★★
GF2050
intensity: ★★★
Glyfos Bio
intensity: ★★★
Glyfos Bio 450
intensity: ★★★
Glyfos Soluble Concentrate
intensity: ★★★
Glyfos Soluble Concentrate II
intensity: ★★★
Glyphos AU Soluble Concentrate
intensity: ★★★
Glyphosate 480
intensity: ★★★
Glyphosate-Trimesium 480
intensity: ★★★
Grazon
intensity: ★★★
Grazon XC
intensity: ★★★
Guardian Plus WDG
intensity: ★★★
Guardsman Glyphosate
intensity: ★★★
Infinity
intensity: ★★★
Maverick II
intensity: ★★★
Milestone
intensity: ★★★
MON 76429 Liquid
intensity: ★★★
MON 76431 Liquid
intensity: ★★★
MON 76669 Liquid
intensity: ★★★
MON 78027
intensity: ★★★
MON 79791 Liquid
intensity: ★★★
MON 79828 Liquid
intensity: ★★★
Nufarm Glyphosate 360
intensity: ★★★
Paradigm
intensity: ★★★
Pixxaro A
intensity: ★★★
Polaris
intensity: ★★★
Powermax Liquid
intensity: ★★★
PrePass A
intensity: ★★★
PrePass B
intensity: ★★★
PrePass XC A
intensity: ★★★
PrePass XC B
intensity: ★★★
PSABRY
intensity: ★★★
R/T 540 Liquid
intensity: ★★★
Renegade HC Liquid
intensity: ★★★
Restore II
intensity: ★★★
Roundup Transorb HC Liquid
intensity: ★★★
Roundup Transorb Liquid
intensity: ★★★
Roundup Transorb Max Liquid
intensity: ★★★
Roundup Ultra 2 Liquid
intensity: ★★★
Roundup Ultra Liquid
intensity: ★★★
Roundup WeatherMAX With Transorb 2 Technology Liquid
intensity: ★★★
Roundup Xtend with VaporGrip Technology
intensity: ★★★
RRRPSABRY
intensity: ★★★
SB-01
intensity: ★★★
Sightline A
intensity: ★★★
StartUp
intensity: ★★★
Sync
intensity: ★★★
Touchdown 480 Liquid
intensity: ★★★
Touchdown IQ
intensity: ★★★
Touchdown Total
intensity: ★★★
Traxion
intensity: ★★★
Truvist
intensity: ★★★
VisionMAX
intensity: ★★★
XtendiMax with VaporGrip Technology
intensity: ★★★
Blackhawk
intensity: ★★
DPX-MAT 28
intensity: ★★
Credit Xtreme
intensity: ★
Velocity m3 All-In-One
intensity: ★
Accurate
intensity: N/A
Accurate WSB
intensity: N/A
Carnival 540
intensity: N/A
Chateau
intensity: N/A
Conquest A Herbicide Tank Mix
intensity: N/A
Conquest B
intensity: N/A
Converge Pro Suspension
intensity: N/A
Credit
intensity: N/A
Credit 45
intensity: N/A
Crush'R 480
intensity: N/A
Crush'R 540
intensity: N/A
Crush'R Plus
intensity: N/A
Engenia
intensity: N/A
Eragon
intensity: N/A
Express LW
intensity: N/A
Express SG
intensity: N/A
Express Toss-N-Go
intensity: N/A
Express Toss-N-Go Dry Flowable 75
intensity: N/A
Fexapan Plus Vaporgrip Technology
intensity: N/A
Fieldstar WDG
intensity: N/A
Fieldstar WDG WSP
intensity: N/A
Fierce
intensity: N/A
FirstStep
intensity: N/A
GF-2685
intensity: N/A
Glyphogan Plus
intensity: N/A
GoldWing
intensity: N/A
Heat LQ
intensity: N/A
Heat WG
intensity: N/A
Integrity
intensity: N/A
Korrex A
intensity: N/A
M1691
intensity: N/A
Maverick III
intensity: N/A
NC-00439
intensity: N/A
NC-0050
intensity: N/A
Nuance
intensity: N/A
Nuance Pro
intensity: N/A
Nuance WSB
intensity: N/A
NuGlo
intensity: N/A
Optill
intensity: N/A
PrePass 480
intensity: N/A
Pyro
intensity: N/A
Reclaim II A
intensity: N/A
Reclaim II B
intensity: N/A
Spike
intensity: N/A
Torpedo
intensity: N/A
Tribenuron Methyl EUP DF 75
intensity: N/A
Valtera
intensity: N/A
Vantage
intensity: N/A
Vantage MAX
intensity: N/A
Vantage Plus
intensity: N/A
Vantage Plus MAX
intensity: N/A
VP480
intensity: N/A