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Category: Asteraceae (Sunflowers)

Cirsium cymosum var. canovirens

February 19, 2021 Dan Nelson 8 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
Jacobaea vulgaris

Jacobaea vulgaris (Tansy Ragwort)

August 26, 2020 Dan Nelson Leave a comment

It is possible that Tansy Ragwort is not quite the bugaboo people think it is. Yes, it is poisonous to…

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Posted in: Angiosperms (Flowering Plants), Asteraceae (Sunflowers), Asterales, Eudicots, Jacobaea, Plants, Species Profiles Filed under: Jacobaea vulgaris, Tansy Rgwort

Anaphalis margaritacea (Pearly Everlasting)

August 19, 2020 Dan Nelson Leave a comment

Probably best known to the average person for its presence in floral displays, Pearly Everlasting is another member of the…

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Posted in: Anaphilas, Angiosperms (Flowering Plants), Asteraceae (Sunflowers), Asterales, Eudicots, Gnaphalieae, Plants, Species Profiles Filed under: Anaphilas magaritacea, Pearly Everlasting

Cirsium vulgare (Bull Thistle)

Dan Nelson Leave a comment

These plants are 1.5-5’ tall, with prickly stems, and sessile, clasping, narrow lobed leaves ending in a spine. Flower heads…

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Posted in: Angiosperms (Flowering Plants), Asteraceae (Sunflowers), Asterales, Cirsium, Eudicots, Plants, Species Profiles Filed under: Bull Thistle, Cirsium vulgare

Cirsium arvense (Canada Thistle, Creeping Thistle)

Dan Nelson Leave a comment

The most common common name for this plant is Canada Thistle, a misnomer because it is actually native to Eurasia…

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Posted in: Angiosperms (Flowering Plants), Asteraceae (Sunflowers), Asterales, Cirsium, Eudicots, Plants, Species Profiles Filed under: Canada Thistle, Cirsium arvense, Creeping Thistle

Solidago lepida (Western Goldenrod)

August 17, 2020 Dan Nelson Leave a comment

It seems that Solidago canadensis (Canada Goldenrod) is no longer a valid appellation for any of the goldenrod in our…

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Posted in: Angiosperms (Flowering Plants), Asteraceae (Sunflowers), Asterales, Eudicots, Plants, Solidago Filed under: Solidago lepida, Western Canada Goldenrod, Western Goldenrod

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