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jimsonweed

https://herbselector.osu.edu/weeds/jimsonweed

Entire (early) to somewhat deep and sharply lobed leaves with very bad smell; Fruit: hard, spiny capsule ...

kochia

https://herbselector.osu.edu/weeds/kochia

Leaves are alternate, linear to lanceolot in out-line, sessile; Hairs along leaf margins; Stems have reddish tint ...

lambsquarters

https://herbselector.osu.edu/weeds/lambsquarters

Wedge-shaped lower leaves and oval shaped leaves later; Up to first two nodes oppoiste; the rest alternate; Round, dull, black or brown seed with sepals looks like a 5-pointed star ...

lambsquarters (SOA 5R)

https://herbselector.osu.edu/weeds/lambsquarters-soa-5r

Wedge-shaped lower leaves and oval shaped leaves later; Up to first two nodes oppoiste; the rest alternate; Round, dull, black or brown seed with sepals looks like a 5-pointed star ...

Palmer amaranth (SOA 2+9R)

https://herbselector.osu.edu/weeds/palmer-amaranth-soa-29r

Leaves have prominent white veins on the underside and are alternate without hairs; leaves occur on relatively long petioles and are egg shaped in outline; small, green flowers are produced in compact terminal panicles ...