Oregon State University Extension Service

Common weeds found in Central Oregon in landscapes and lawns

List of weeds commonly found in landscapes in Central Oregon.

Common weeds that are found in Central Oregon

  • Bur buttercup has small yellow flowers.

    Bur buttercup; Ranunculus testiculatus

    Credit: Utah State University
  • This is a Redstem filaree with small pink flowers

    Redstem filaree; Erodium cicutarium

    Credit: Toni Stephan
  • This is an image of the common mallow it has white flowers

    Common mallow; Malva neglecta

    Credit: Toni Stephan
  • This is an image of the Tumble mustard, it has small yellow flowers

    Tumble mustard; Sisymbrium altissimum

    Credit: Toni Stephan
  • This is an image of a Fixweed, its grows taller than most weeds

    Flixweed; Descurainia sophia

    Credit: Toni Stephan
  • This is an image of a Marestail, it shorter than other weeds

    Marestail; Conyza canadensis

    Credit: Toni Stephan
  • This image shows a Dandelion, the weed will have a yellow flower.

    Dandelion; Taraxacum officinale

    Credit: Toni Stephan
  • This is an image of a Black medic, it has small yellow flowers

    Black medic; Medicago lupulina

    Credit: Toni Stephan
  • This is an image of a

    White clover; Trifolium repens

    Credit: Toni Stephan
  • A small clump of cheatgrass with thin green blades grows from compacted, sandy soil, surrounded by bare ground and a flat rock.

    Cheatgrass; Bromus tectorum

    Credit: Toni Stephan
  • This is an image of a Hare bareley, its brown near the end of the weed

    Hare barley; Hordeum leporinum

    Credit: Toni Stephan
  • This is an image of the Annual bluegrass

    Annual bluegrass: Poa annua

    Credit: Toni Stephan
  • This is an image of Jagged chickweed, it less stems that are long

    Jagged chickweed; Holosteum umbelatum

    Credit: Toni Stephan
  • This is an image of a Prickly lettuce, its leafs are long and big which are prickly

    Prickly lettuce; Lactuca serriola

    Photo: Jagged chickweed; Holosteum umbelatum
  • this is an image of a Kochia, they are more dense than other weeds

    Kochia; Kochia scoparia

    Credit: Toni Stephan
  • this is an image of Prostrate spurge, they are smaller than most weeds

    Prostrate spurge; Euphorbia spp.

    Credit: Toni Stephan
  • This is an image of a Prostate amranth, their stems are a little darker

    Prostrate amaranth; Amaranthus blitoides

    Credit: Toni Stephan
  • This is an image of a common purslane, they take up a wider space

    Common purslane; Portulaca oleracea

    Credit: Oregon State University Weed Science
  • This is an image of an moussear chickweed, the appear shrub-like
    Credit: Missouri State Unviersity
  • This is an image of a cmoon lambsqrater and they appear to grow in big quantities

    Common lambsquarters; Chenopodium album

    Credit: Oregon State University Weed Science
  • This is an image of a Russian thistle, they have short small stems

    Russian thistle; Salsola tragus

    Credit: Toni Stephan
  • This is an image of a Puncture vine, the have small yellow flowers

    Puncturevine; Tribulus terrestris

    Credit: Unkown
  • This is an image of a Redroot pigweed, their leafs are more dense

    Redroot pigweed; Amaranthus retroflexus

    Credit: Oregon State University Weed Science
  • This is an image of a common groundsel, they have long standing stems with white flowers

    Common groundsel; Senecio vulgaris

    Credit: Toni Stephan
Close up of raspberries in a demo garden
Source URL: https://extension.oregonstate.edu/gallery/common-weeds-found-central-oregon-landscapes-lawns