www.sare.org publications manage-weeds-on-your-farm prickly-lettuce Prickly Lettuce Other common names: wild lettuce, compass plant, milk thistle, horse thistle, wild opium, common wild lettuce, lobed prickly lettuce Lactuca serriola L. Identification of Prickly Lettuce Family: Aster family, Asteraceae Habit: Erect, taprooted, summer or winter annual herb Description: Seedling cotyledons are round or oval shaped and 0.2–0.4 inch long by 0.1 inch wide, with […]
www.sare.org publications manage-weeds-on-your-farm plantains Plantains Other common names: Blackseed plantain, Plantago rugelii Dcne. Broadleaf plantain, Plantago major L. Buckhorn plantain, Plantago lanceolata L. Identification of Plantains Family: Plantain family, Plantaginaceae Habit: Perennial herbs with a basal rosette and a leafless flowering stalk Description: Seedlings form alternate-leaved rosettes. True leaves have three to five prominent, parallel veins. Mature plants form a […]
www.sare.org publications manage-weeds-on-your-farm palmer-amaranth Palmer Amaranth Other common names: carelessweed, Palmer pigweed Amaranthus palmeri S. Watson Identification of Palmer Amaranth Family: Pigweed family, Amaranthaceae Habit: Tall, erect annual herb Description: Seedling stems are usually red, sometimes green and sometimes slightly hairy. Cotyledons are lanceolate, hairy and red to green in color. Young leaves are alternate, egg shaped and roughly five times […]
www.sare.org publications manage-weeds-on-your-farm nightshades Nightshades Other common names: Black nightshade, Solanum nigrum L. Eastern black nightshade, Solanum ptycanthum Dunal Hairy nightshade, Solanum physalifolium Rusby = S. sarachoides auct. non Sendtn. Identification of Nightshades Family: Nightshade family, Solanaceae Habit: Erect, branched, summer annual herbs Description: Seedlings have egg-shaped to lanceolate cotyledons. The stem of the seedling is hairy. Young leaves are […]
www.sare.org publications manage-weeds-on-your-farm morningglories Morningglories Other common names: Ivyleaf morningglory, Ipomoea hederacea Jacq. Pitted morningglory, Ipomoea lacunosa L. Tall morningglory, Ipomoea purpurea (L.) Roth Identification of Morningglories Family: Morningglory family, Convolvulaceae Habit: Twining summer annual herbs Description: Seedling stems are green to maroon and ridged. Cotyledons are two lobed, hairless, symmetrical and green. Mature plants trail and climb by twining, […]
www.sare.org publications manage-weeds-on-your-farm large-crabgrass Large Crabgrass Other common names: purple crab grass, finger grass, Polish millet, crowfoot grass, pigeon grass, hairy crabgrass, hairy finger grass, northern crabgrass Digitaria sanguinalis (L.) Scop. Identification of Large Crabgrass Family: Grass family, Poaceae Habit: Sprawling summer annual grass with stems rooting at the nodes Description: Seedlings have an upright habit and begin tillering when they […]
www.sare.org publications manage-weeds-on-your-farm kochia Kochia Other common names: summer cypress, belvedere, burning bush, fireball, Mexican fireweed, belvedere, mock cypress, red belvedere, belvedere cypress, red belvedere, broom cypress Bassia scoparia (L.) A.J. Scott = Kochia scoparia (L.) Schrad. Identification of Kochia Family: Goosefoot family, Chenopodiaceae Habit: Tall, much branched, taprooted summer annual herb Description: Cotyledons of kochia seedlings are stalkless, elliptical, […]
www.sare.org publications manage-weeds-on-your-farm johnson-grass Johnsongrass Other common names: Johnson grass, Egyptian millet, means grass, Egyptian grass, false guinea grass, millet grass, Morocco millet, Aleppo grass, grass sorghum, Cuba grass, St. Mary’s grass, evergreen millet, maiden cane, Arabian millet, false guinea, Syrian grass Sorghum halepense (L.) Pers. Identification of Johnsongrass Family: Grass family, Poaceae Habit: Perennial grass spreading by thick rhizomes […]
www.sare.org publications manage-weeds-on-your-farm jimsonweed Jimsonweed Other common names: stramonium, Jamestown weed, thorn apple, mad apple, stinkwort, angel’s trumpet, devil’s trumpet, dewtry, whiteman’s weed, purple thornapple Datura stramonium L. Identification of Jimsonweed Family: Nightshade family, Solanaceae Habit: Erect, branched, summer annual herb Description: The seedling is large, with cotyledons that are 1.2–1.6 inch long by 0.2 inch wide, lanceolate, hairless and […]
www.sare.org publications manage-weeds-on-your-farm italian-ryegrass Italian Ryegrass Other common names: annual ryegrass, Australian ryegrass, Australian rye Lolium perenne L. ssp. multiflorum (Lam.) Husnot = Lolium multiflorum Lam. Identification of Italian Ryegrass Family: Grass family, Poaceae Habit: Summer annual, winter annual or biennial bunch grass, or in mild climates like the Pacific Northwest, a short-lived perennial Description: The seed leaf emerges vertically. The […]