Page 250: 3,465 results for me
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Isoetes riparia (Canada shore quillwort)
...Sometimes Confused With: megaspores 0.4–0.56 mm in diameter, averaging less than 0.5 mm, patterned with an unbroken reticulum (vs. I. riparia, with megaspores 0.45–0.65 mm in diam...
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Nabalus albus (white rattlesnake-root)
...specimens are unknown. Deciduous forests, woodlands, roadsides. Native to North America? Yes Sometimes Confused With: ...
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Cinna latifolia (slender wood-reed)
...in mesic forests. Native to North America? Yes Sometimes Confused With: upper glume 3-veined and 4.1-6...
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Carex bushii (Bush's sedge)
...MA, ME, RI, VT. Mesic to dry-mesic, often sandy, fields, meadows, and open, human-disturbed areas, infrequently of seasonally saturated, lacustrine floodplains. Native to North America? ...
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Cerastium tomentosum (tomentose chickweed)
...arrangement: the flower includes two cycles of petal- or sepal-like structures. Stamen attachment: the stamens are not atta...
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Ambrosia artemisiifolia (common ragweed)
...America? Yes and no (some introduced) Sometimes Confused With: leaf blades usual...
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Artemisia stelleriana (beach wormwood)
...some of the flowers on the plant have only carpels or stamens, while others have both carpels and stamens. Seed hair tuft bases: NA. ...
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Quercus coccinea (scarlet oak)
...MA, ME, NH, RI, VT; mainly absent from extreme northern New England, though disjunct in Chittenden County, VT. Dry-mesic forests and woodlands. Native to North Ameri...
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Mulgedium pulchellum (Russia blue lettuce)
...MA, ME. Waste areas, yards, roadsides. Native to North America? Yes and no (some introduced) S...
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Carex radiata (eastern star sedge)
...a measurement of 0.8–1.5 mm (see identification key for measurements of other species). The name C. rosea has been misapplied to this species for many years. Native to North America? ...