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Antennaria howellii (small pussytoes)
...(1842-1912), a plant collector in Washington and Oregon who printed his own Flora of Northwest America. Habitat: anthropogenic (man-made or disturbed habitats), cliffs, balds, or ledges, meadows and...
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Castilleja coccinea (scarlet painted-cup)
... 1.0 None–1.0 None. Number of pistils: 1. Leaf types: There is an abrupt change in ...
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Hudsonia tomentosa (sand false heather, woolly beach-heather)
... 13 or more. Number of pistils: 1. Bracteole edges: NA. Carpe...
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Persicaria hydropiperoides (false water-pepper smartweed)
... 1.5 mm–3.0 mm. Fruit width: 1.0 mm–2.3 mm. Flower number: 1.0 NA–14.0 NA. ...
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Rhododendron viscosum (clammy azalea)
... 1. Bud scale number: there are three or more scales on the winter bud, and they overlap like shingles, with one edge covered and the oth...
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Swida sanguinea (blood-twig dogwood)
... 19.1 mm–44.5 mm. Leaf blade base symmetry: the leaf blade base is symmetrical. Twig scales: ...
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Filipendula ulmaria (meadow dropwort)
... 100.0 cm–200.0 cm. Stamen number: 13 or more. Hair between stem nodes: the stem ha...
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Lonicera japonica (Japanese honeysuckle)
...in 1806 as an ornamental plant, it has spread widely outside cultivation as birds disperse its seeds. This aggressive vine is regarded as invasive, especially in southern portions of its North America...
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Polygonum glaucum (seaside knotweed)
...S1), state threatened (code: ST) Information from Dichotomous Key of Flora Novae Angliae: 10. ...
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Maianthemum racemosum (feathery false Solomon's-seal)
...0.1 mm–0.3 mm. Inflorescence length: 30.0 mm–150.0 mm. Ovary position: the ovary is above the poi...