Page 179: 3,316 results for 2
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Elaeagnus pungens (thorny-olive)
... 2. Elaeagnus pungens Thunb. Ethorny-olive. MA. Roadsides, fields, forest edges. Native to North America? No Sometimes Con...
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Linum usitatissimum (cultivated flax)
...mm–23.0 mm. Flower symmetry: there are two or more ways to evenly divide the flower (the flower is radially symmetrical). Hai...
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Schoenoplectus heterochaetus (slender club-bulrush)
... 2.2 mm–3.2 mm. Stem texture near tip: the stem feels smooth near the tip. Leaf septa: ...
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Alnus incana (speckled alder)
... 2. Alnus incana (L.) Moench ssp. rugosa (Du Roi) Clausen N speckled alder. Alnus incana (L.) Moench var. americana Regel; A. ...
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Atriplex rosea (red orache)
...mostly 20--50 mm tall and brown fruits 1.5-2 mm wide (vs. A. rosea, with terminal inflorescence up to 20 mm tall and brown fruits 2-2.5 mm wide).: Atriplex tatarica ...
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Aira praecox (early silver-hairgrass)
...0.2 mm–0.4 mm. Lemma awn orientation: the awn of the lemma is straight. Palea length: 1.7 mm–2.1...
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Ratibida columnifera (prairie Mexican-hat)
...10–25 x 10–18 mm, plants from fibrous roots, and pappus usually absent (vs. R. columnifera, with disk cylindric, 10–50 x 7–12 mm, plants from a taproot, and pappus usually consisting of 1 or 2 tooth-l...
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Scleranthus perennis (perennial knawel)
...or 2. Fusion of sepals and petals: both the petals and sepals are separate and not fused. Petal number: 0.0 ...
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Barbarea orthoceras (American yellow-rocket)
...18-28 mm long, and pedicels mostly 1-3 mm long in fruit (vs. B. orthoceras, with petals mostly 2-3 mm wide, siliques mostly 31-40 mm long, and pedicels 3-7 mm long in fruit).: Barbarea str...
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Inula salicina (willow-leaved yellowhead)
...10–20 cm broad, rays mostly 20–30 mm long, and disk corollas 7–11 mm long (vs. I. salicina, with basal and lower stem leaves 1.2–2 cm broad, rays 10–15 mm long, and disk corollas 5–7 mm long).: ...