Skip to main content

Cornell University logo

Header CU menu

  • School of Integrative Plant Science
  • Horticulture Section
Turfgrass and Landscape Weed ID
Turfgrass and Landscape Weed ID

Main menu

  • Home
  • Weed ID
    Broadleaf Grass Instructions
  • Pesticide-free Management
  • Weeds and Human Health
  • Resources
  • (-) Terminal
  • (-) Alternate
  • (-) Lobed

Jump to Filters

START OVER | Displaying results 1 - 14 of 14

Sonchus oleraceus - flower buds

Annual sowthistle

Sonchus oleraceus

Solanum dulcamara

Bittersweet nightshade

Solanum dulcamara

Sicyos angulatus

Burcucumber

Sicyos angulatus

Senecio vulgaris

Common groundsel

Senecio vulgaris

Ambrosia artemisiifolia

Common ragweed

Ambrosia artemisiifolia

Tanacetum vulgare

Common tansy

Tanacetum vulgare

Lepidium campestre - flowers

Field pepperweed

Lepidium campestre

Solanum carolinense

Horsenettle

Solanum carolinense

Anthemis cotula - flower close-up

Mayweed chamomile

Anthemis cotula

Conium maculatum

Poison hemlock

Conium maculatum

Lactuca serriola - leaves

Prickly lettuce

Lactuca serriola

Sonchus asper

Spiny sowthistle

Sonchus asper

Centaurea maculosa - flower

Spotted knapweed

Centaurea maculosa

mature Virginia pepperweed plant

Virginia pepperweed

Lepidium virginicum

Plant type

  • Broadleaf (14)

Narrow Your Search

* See Instructions for help

Stature

  • Upright (11)
  • Spreading (2)
  • Clump (1)
  • Vine (1)

Leaf Arrangement

  • (-) Alternate (14)
  • Rosette (2)
  • Whorled (1)

Leaf Shape

  • Elongated (5)
  • Fern like (4)
  • Heart or spade (3)
  • Lanceolate (2)
  • Oval (2)
  • Round (1)
  • Triangular (1)

Leaf division

  • Simple (7)
  • Pinnate (3)
  • Pinnately Compound (2)

Leaf margin

  • (-) Lobed (14)
  • Toothed (4)
  • Entire (1)
  • Wavy (1)

Auricles

Ligule

Vernation

Inflorescence location

  • (-) Terminal (14)

Inflorescence color

  • Yellow (8)
  • White (5)
  • Green (3)
  • Purple (2)
  • Pink (1)
  • Violet (1)

Tactile

  • Smooth (6)
  • Rough (3)

Footer info menu

  • Contact
  • About This Site
  • Disclaimer

Footer CU Menu

  • Cornell University ©2022
  • University Privacy
  • Web Accessibility Assistance