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Category: Eudicots

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

Myriophyllum spicatum (Eurasian Watermilfoil)

October 22, 2020 Dan Nelson 2 Comments

As the common name suggests Eurasian Watermilfoil is native to Europe and Asia, as well as North Africa. It is…

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Posted in: Angiosperms (Flowering Plants), Eudicots, Haloragaceae, Myriophyllum, Plants, Saxifragales, Species Profiles Filed under: Eurasian Watermilfoil, Myriophyllum spicatum

Hydrocotyle ranunculoides (Floating Marsh Pennywort)

September 28, 2020 Dan Nelson 2 Comments

Floating Marsh Pennywort is a native, wetlands obligate plant, in the family Araliaceae. It forms dense mats on the waters…

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Posted in: Angiosperms (Flowering Plants), Apiales, Araliaceae, Eudicots, Hydrocotyle, Plants, Species Profiles Filed under: Floating Marsh Pennywort, Hydrocotyle ranunculoides

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

Rumex obtusifolius (Broad-leaved Dock)

Dan Nelson 2 Comments

Broad-leaved Dock is a perennial plant native to Europe, but has become naturalized world wide. It is an invasive species…

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Posted in: Angiosperms (Flowering Plants), Caryophyllales, Eudicots, Plants, Polygonaceae, Rumex, Species Profiles Filed under: Bitter Dock, Broad-leaved Dock, Rumex obtusifolius

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

Amorpha fruticosa (False indigo)

September 14, 2020 Dan Nelson Leave a comment

This is a large, bushy shrub which grows in muddy and sandy flats along the Snake and Columbia Rivers, often…

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Posted in: Amorpha, Angiosperms (Flowering Plants), Eudicots, Fabaceae (Legumes), Fabales, Plants, Species Profiles Filed under: Amorpha fruticosa, False Indigo

Myosotis scorpioides (True Forget-me-not)

Dan Nelson Leave a comment

Though this is a European species which has escaped cultivation and has become widely naturalized and even invasive in our…

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Posted in: Angiosperms (Flowering Plants), Boraginaceae, Boraginales, Eudicots, Myosotis, Plants, Species Profiles Filed under: Marsh Forget-me-not, Myosotis scorpioides, True Forget-me-not, Water Forget-me-not

Persicaria maculosa (Lady’s Thumb)

September 13, 2020 Dan Nelson Leave a comment

This introduced member of the family Polygonaceae (buckwheats) is a denizen of wetlands and vernally wet areas, and can be…

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Posted in: Angiosperms (Flowering Plants), Caryophyllales, Eudicots, Persicaria, Plants, Polygonaceae, Species Profiles Filed under: Persicaria maculosa

Lythrum salicaria (Purple Loosestrife)

Dan Nelson Leave a comment

This is a wildly invasive European native which had become established in North America by the 1830s, both as a…

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Posted in: Angiosperms (Flowering Plants), Eudicots, Lythraceae, Lythrum, Myrtales, Plants, Species Profiles Filed under: Lythrum salicaria, Purple Loosestrife

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