Weed ID Week 3 Written

purple nutsedge Cyperus rotundus

sedge, triangular stem, shiny green blades, slightly wider, abrupt pointed tip

yellow nutsedge Cyperus esculentus

sedge, triangular stem, shiny green blades, long taper to a pointed tip

goosegrass Eleusine indica

membranous ligule that has a v in the middle, hairs at base of ligule, flat stem, whitish base of leaf, wagon wheel appearance

large crabgrass Digitaria sanguinalis

big tall membranous ligule, rolled vernation, leaf blades have hair on both surfaces

barnyardgrass Echinochloa crus-galli

no defining characteristics, no ligule or auricle, glabrous leaves and stem, grass species

johnsongrass Sorghum halapense

large grass, membranous ligule with fringe of hairs, glabrous

cocklebur Xanthium strumarium

alternate simple leaves with serrated margins, rough feeling leaves, erect stems with purple/black dots

spurred anoda Anoda cristata

coarsely toothed leaves with three distinct lobes, stems erect covered in hairs, and often ridged in the upper portion

common pokeweed Phytolacca americana

alternate, glabrous, egg shaped leaves that are pointed at the apex, red glabrous erect stem,

smooth groundcherry Physalis longifolia var. subglabrata

Leaves are mostly smooth textured with widely toothed margins, stems usually ridged, green sometimes tinted purple hollow stems