Scientific Name Sonchus oleraceus
Family Composites, Sunflower
Flower Color Yellow
Plant Type Forb
Native No
Weed Yes
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| annual sowthistle Scientific Name Sonchus oleraceus Family Composites, Sunflower Flower Color Yellow Plant Type Forb Native No Weed Yes |
 | arrowleaf balsamroot Scientific Name Balsamorhiza sagittata Family Composites, Sunflower Flower Color Yellow Plant Type Herb Location McCall, McCall and many locations Native Yes Weed No |
 | basin rayless daisy Scientific Name Erigeron concinnus var. aphanactis Family Composites, Sunflower Flower Color Yellow Plant Type Herb Native Yes Weed No |
 | big sage Scientific Name Artemisia tridentata Family Composites, Sunflower Flower Color Yellow Plant Type Shrub Location McCall Native Yes Watershed Malheur, Owyhee, Snake, Weiser Weed No |
| big sagebrush Scientific Name Artemisia tridentata Family Composites, Sunflower Flower Color Yellow Plant Type Shrub Location McCall Native Yes Watershed Malheur, Owyhee, Snake, Weiser Weed No |
 | broom snakeweed Scientific Name Gutierrezia sarothrae Family Composites, Sunflower Flower Color Yellow Plant Type Shrub - grass Short Description Poisonous Native Yes Weed No |
 | Canada goldenrod Scientific Name Solidago canadensis Family Composites, Sunflower Flower Color Yellow Plant Type Herb Location McCall Native Yes Weed Can be |
 | common tansy Scientific Name Tanacetum vulgare Family Composites, Sunflower Flower Color Yellow Plant Type Herb Location McCall and many locations Native No Weed Noxious |
 | compass plant Scientific Name Lactuca serriola Family Composites, Sunflower Flower Color Yellow Plant Type Herb Introduced Yes Native No Weed Yes |
 | curlycup gumweed Scientific Name Grindelia squarrosa Family Composites, Sunflower Flower Color Yellow Plant Type Herb Native Yes Weed Can be |
 | dandelion Scientific Name Taraxacum officinale Family Composites, Sunflower Flower Color Yellow Plant Type Herb Location McCall Native No Weed Yes |
 | false dandelion Scientific Name Agoseris glauca Family Composites, Sunflower Flower Color Yellow Plant Type Herb Native Yes Weed No |
 | gray rabbit brush Scientific Name Ericameria nauseosa Family Composites, Sunflower Flower Color Yellow Plant Type Shrub Short Description Gray rabbitbrush (Ericameria nauseosa) grows throughout Malheur County and surrounding areas of the intermountain west. It is an early succession plant following fire. Gray rabbitbrush is also known as rubber rabbitbrush and is a member of the Composite or Aster family. Location McCall Native Yes Weed No |
| gray rabbitbrush Scientific Name Ericameria nauseosa Family Composites, Sunflower Flower Color Yellow Plant Type Shrub Short Description Gray rabbitbrush (Ericameria nauseosa) grows throughout Malheur County and surrounding areas of the intermountain west. It is an early succession plant following fire. Gray rabbitbrush is also known as rubber rabbitbrush and is a member of the Composite or Aster family. Location McCall Native Yes Weed No |
 | hairy balsamroot Scientific Name Balsamorhiza hirsuta Family Composites, Sunflower Flower Color Yellow Plant Type Herb Short Description Perennial Native Yes Weed No |
 | heart-leafed arnica Scientific Name Arnica cordifolia Family Composites, Sunflower Flower Color Yellow Plant Type Herb Short Description Leaves: Heart shaped Location McCall Native Yes Weed No |
 | hooker's balsamroot Scientific Name Balsamorhiza hookeri Family Composites, Sunflower Flower Color Yellow Plant Type Herb Native Yes Weed No |
 | long-leafed hawksbeard Scientific Name Crepis acuminata Family Composites, Sunflower Flower Color Yellow Plant Type Herb Native Yes Weed No |
| longleaf hawksbeard Scientific Name Crepis acuminata Family Composites, Sunflower Flower Color Yellow Plant Type Herb Native Yes Weed No |
 | low hawksbeard Scientific Name Crepis modocensis Family Composites, Sunflower Flower Color Yellow Plant Type Forb Native Yes Weed No |
| modoc hawksbeard Scientific Name Crepis modocensis Family Composites, Sunflower Flower Color Yellow Plant Type Forb Native Yes Weed No |
 | mountain tarweed Scientific Name Madia glomerata Family Composites, Sunflower Flower Color Yellow Plant Type Forb Native North America |
 | mule-ears Scientific Name Wyethia amplexicaulis Family Composites, Sunflower Flower Color Yellow Plant Type Herb Native Yes Weed No |
| mule's ear Scientific Name Wyethia amplexicaulis Family Composites, Sunflower Flower Color Yellow Plant Type Herb Native Yes Weed No |
 | nodding microseris Scientific Name Microseris nutans Family Composites, Sunflower Flower Color Yellow Plant Type Herb Native Yes Weed No |
 | Oregon sunshine Scientific Name Eriophyllum lanatum Family Composites, Sunflower Flower Color Yellow Plant Type Herb Native Yes Weed No |
| pale agoseri Scientific Name Agoseris glauca Family Composites, Sunflower Flower Color Yellow Plant Type Herb Native Yes Weed No |
| prickly lettuce Scientific Name Lactuca serriola Family Composites, Sunflower Flower Color Yellow Plant Type Herb Introduced Yes Native No Weed Yes |
| rayless fleabane Scientific Name Erigeron concinnus var. aphanactis Family Composites, Sunflower Flower Color Yellow Plant Type Herb Native Yes Weed No |
| rayless shaggy fleabane Scientific Name Erigeron concinnus var. aphanactis Family Composites, Sunflower Flower Color Yellow Plant Type Herb Native Yes Weed No |
| rubber rabbit brush Scientific Name Ericameria nauseosa Family Composites, Sunflower Flower Color Yellow Plant Type Shrub Short Description Gray rabbitbrush (Ericameria nauseosa) grows throughout Malheur County and surrounding areas of the intermountain west. It is an early succession plant following fire. Gray rabbitbrush is also known as rubber rabbitbrush and is a member of the Composite or Aster family. Location McCall Native Yes Weed No |
| rubber rabbitbrush Scientific Name Ericameria nauseosa Family Composites, Sunflower Flower Color Yellow Plant Type Shrub Short Description Gray rabbitbrush (Ericameria nauseosa) grows throughout Malheur County and surrounding areas of the intermountain west. It is an early succession plant following fire. Gray rabbitbrush is also known as rubber rabbitbrush and is a member of the Composite or Aster family. Location McCall Native Yes Weed No |
 | rush skeletonweed Scientific Name Chondrilla juncea Family Composites, Sunflower Flower Color Yellow Plant Type Forb Introduced Yes Native No Weed Yes |
| sagebrush Scientific Name Artemisia tridentata Family Composites, Sunflower Flower Color Yellow Plant Type Shrub Location McCall Native Yes Watershed Malheur, Owyhee, Snake, Weiser Weed No |
| short-beaked agroseris Scientific Name Agoseris glauca Family Composites, Sunflower Flower Color Yellow Plant Type Herb Native Yes Weed No |
 | sunflower Scientific Name Helianthus annuus Family Composites, Sunflower Flower Color Yellow Plant Type Herb Native Yes Weed Can be |
| tapertip hawksbeard Scientific Name Crepis acuminata Family Composites, Sunflower Flower Color Yellow Plant Type Herb Native Yes Weed No |
 | western salsify Scientific Name Tragopogon dubius Family Composites, Sunflower Flower Color Yellow Plant Type Herb Location McCall |
| wooly sunflower Scientific Name Eriophyllum lanatum Family Composites, Sunflower Flower Color Yellow Plant Type Herb Native Yes Weed No |
| yellow goats beard Scientific Name Tragopogon dubius Family Composites, Sunflower Flower Color Yellow Plant Type Herb Location McCall |
| yellow salsify Scientific Name Tragopogon dubius Family Composites, Sunflower Flower Color Yellow Plant Type Herb Location McCall |
 | yellow starthistle Scientific Name Centaurea solstitialis Family Composites, Sunflower Flower Color Yellow Plant Type Forb Native No Weed Yes |