Weed ID Guide

Common Name:
Latin Name:
Alternate Names:

Plant type select Broadleaf Grass or grass-like

Habitat select Agronomic crops Pasture/hay fields Turfgrass/lawns Ponds/Lakes/Aquatic Areas Forests/woods Gardens Landscapes Right-of-way Don't know

Leaf arrangement [?] select Arranged oppositely along the stem. Arranged alternately along the stem. Whorled around the stem Arranged around the base of the plant only. Don’t know

Leaf characteristics [?] select Simple Compound Don’t know

Lobed [?] select Not lobed Pinnately lobed Palmately lobed Don’t know

Leaf Shape [?] select Lanceolate Round Heart-shaped Oval Linear Spatulate Triangular Don’t know

Leaf Margins [?] select Entire Leaf lobed Serrated/Toothed Wavy/Undulate Don’t know

Presence of petioles select Yes No Don’t know

Leaf Hairiness on the Upper Surface select Have hairs Without hairs Don’t know

Stem hairiness select Have hairs Without hairs Don't know

Flower color select Yellow White Blue/Purple Red/Orange Pink Green Don’t know

Growth Habit [?] select Upright Prostrate Creeping/Vining Don’t know

Presence of spines select Yes No Don’t know

Lifecycle select Summer annual Winter annual Biennial Perennial Don’t know

Root system [?] select Fibrous root system Fibrous roots with stolons Fibrous roots with rhizomes A taproot Don’t know

Milky sap select Yes No Don't know

Ochrea presence [?] select Yes No Don't know

Habitat select Agronomic crops Pasture/hay fields Turfgrass/lawns Ponds/Lakes/Aquatic Areas Forests/woods Gardens Landscapes Right-of-way Don’t know

Lifecycle select Summer annual Winter annual Perennial Don’t know

Leaf Type [?] select Flat, shiny, and have distinct ridges Round in cross section and hollow Resemble those of most common grasses Don’t know

Leaf Width at Maturity select Less than 5 mm in width 6 to 10 mm in width 11 to 15 mm in width 16 to 20 mm in width Greater than 21 mm in width Don’t know

Leaf Hairiness on the Upper Surface select Hairy Without hairs Hairy near the collar region only Don’t know

Ligule Presence [?] select Yes No Don’t know

Type of Ligule [?] select Hair-like Membranous Both hair-like and membranous Don’t know

Length of Ligule [?] select Less than 1 mm in length 1 to 2 mm in length 2 to 3 mm in length Greater than 3 mm in length Don’t know

Auricle Presence [?] select Yes No Don’t know

Leaves Rolled or Folded in the Shoot [?] select Rolled in the shoot Folded in the shoot Don’t know

Stem/Sheath Type [?] select Flat Round Triangular Don’t know

Seedheads [?] select Bristly panicle resembling a fox’s tail Spike Spikes clustered together resembling fingers Colorful flowers with petals Spiny burs at the ends of stems Several spikelets at the end of triangular stems Triangular panicle comprised of several spikelets Don’t know

Root System [?] select Fibrous root system Fibrous roots with tubers Fibrous roots and stolons Fibrous roots and rhizomes Bulb Don’t know