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Category: Asterales

Achillea millefolium (Yarrow)

August 30, 2021 Dan Nelson 1 Comment

In our region this wonderful, circumboreal member of the family Asteraceae is composed of both native and exotic strains. This…

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Posted in: Achillea, Angiosperms (Flowering Plants), Asteraceae (Sunflowers), Asterales, Eudicots, Plants, Species Profiles Filed under: Achillea millefolium, Yarrow

Eriophyllum lanatum (Oregon Sunshine)

August 3, 2021 Dan Nelson Leave a comment

I have heard people refer to this member of the family Asteraceae as wooly sunflowers, but that is more properly…

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Posted in: Angiosperms (Flowering Plants), Asteraceae (Sunflowers), Asterales, Eriophyllum, Eudicots, Plants, Species Profiles Filed under: Eriophyllum lanatum, Oregon Sunshine

Campanula rotundifolia

August 1, 2021 Dan Nelson Leave a comment

These wonderful plants in the family Campanulaceae (bellflowers), which are native throughout the northern Northern Hemisphere, have many common names…

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Posted in: Angiosperms (Flowering Plants), Asterales, Campanula, Campanulaceae, Eudicots, Plants, Species Profiles

Senecio triangularis (Arrowleaf Groundsel)

June 23, 2021 Dan Nelson 1 Comment

I have a confession to make. Not only am I not good with the members of Asteraceae, I often don’t…

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Posted in: Angiosperms (Flowering Plants), Asteraceae (Sunflowers), Asterales, Eudicots, Plants, Senecio, Species Profiles Filed under: Senecio triangularis (Arrowleaf Groundsel)

Balsamorhiza careyana/careyana x deltoidea

April 16, 2021 Dan Nelson Leave a comment

I do not know for sure what these plants are, and it would take a DNA analysis to be certain.…

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Posted in: Angiosperms (Flowering Plants), Asteraceae (Sunflowers), Asterales, Balsamorhiza, Eudicots, Plants, Species Profiles Filed under: Balsamorhiza careyana, Balsamorhiza careyana x deltoidea

Cirsium cymosum var. canovirens

February 19, 2021 Dan Nelson 10 Comments

When many of us think of thistles we do so with less than charitable thoughts, because most of the thistles…

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Posted in: Angiosperms (Flowering Plants), Asteraceae (Sunflowers), Asterales, Cirsium, Eudicots, Plants, Species Profiles Filed under: Cirsium cymosum var. canovirens, Grey Green Thistle

Bidens cernua (Nodding Beggarticks)

September 21, 2020 Dan Nelson 5 Comments

This is a common wetlands plant, which blooms from late summer into fall. It is erect, up to 40” tall,…

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Posted in: Angiosperms (Flowering Plants), Asteraceae (Sunflowers), Asterales, Eudicots, Plants, Species Profiles Filed under: Bidens cernua, Nodding Beggarticks

Tanacetum vulgare (Common Tansy)

September 18, 2020 Dan Nelson Leave a comment

This is yet another species which was imported from Europe for cultivation, but escaped to become an invasive and noxious…

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Posted in: Angiosperms (Flowering Plants), Asteraceae (Sunflowers), Asterales, Eudicots, Plants, Species Profiles, Tanacetum Filed under: Common Tansy, Tanacetum vulgare

Xanthium strumarium (Rough Cocklebur)

September 8, 2020 Dan Nelson Leave a comment

This is a tall (up to 5’), annual plant, with a stout, spotted, non-woody stem. The leaves are large, triangular,…

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Posted in: Angiosperms (Flowering Plants), Asteraceae (Sunflowers), Asterales, Eudicots, Plants, Species Profiles Filed under: Rough Cocklebur, Xanthium strumarium

Helenium autumnale (Large-flowered Sneezeweed)

September 7, 2020 Dan Nelson 1 Comment

This is a tall (1-4’) plant with yellow blooms, and stems which are winged where the leaves and petioles clasp…

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Posted in: Angiosperms (Flowering Plants), Asteraceae (Sunflowers), Asterales, Eudicots, Helenium, Plants, Species Profiles Filed under: Helenium autumnale, Large-flowered Sneezeweed

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