Weed names link to more information about identification and biology.
Click on photos to enlarge

Annual bluegrass
(Poa annua): Grass family; winter annual; leaf tip shaped like bow of a boat; membranous ligule
rounded with slightly pointed tip; leaf blade crinkled at midsection. |

Common chickweed
(Stellaria media): Pink family; winter annual; seed leaves with prominent
midveins, about 4 times longer than wide, tapering to point at tip; true leaves
broader, opposite, and yellow green. |

Common groundsel
(Senecio vulgaris): Sunflower family; winter annual; seed leaves narrow,
with blunt narrow tip; first true leaves with shallow teeth; third and fourth
leaves more deeply lobed. |

Henbit
(Lamium amplexicaule): Mint family; winter annual; seedling leaves small,
oblong, with smooth margins; first true leaves rounded, coarsely toothed, with
visible netted veins. |

Little mallow (Cheeseweed)
(Malva parviflora): Mallow family; winter annual; seed leaves heart shaped,
sometimes with red tinge; true leaves roundish with wavy, shallow-toothed margins. |

Prickly lettuce
(Lactuca serriola): Sunflower family; winter annual or biennial; seed
leaves about 2 times longer than wide; first true leaves with rounded margins. |

Shepherd's-purse (Capsella
bursa-pastoris): Mustard family; winter annual; seed
leaves pale green with tiny granules on surface; first true
leaves with smooth margins; fourth and later leaves may be
indented; true leaves covered with star-shaped hairs. |