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Potentilla canadensis (dwarf cinquefoil)
...None–2.0 None. Fruit length: 1.2 mm–1.4 mm. Stipule shape: the stipules are lanceolate (lance-shaped; wid...
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Linum medium (common yellow flax)
... 2.0 mm–2.0 mm. Fusion of sepals and petals: both the petals and sepals are separate and not fused. Flowering...
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Lespedeza cyrtobotrya (leafy bush-clover)
... 2.0 mm–2.5 mm. Fruit width: 5.0 mm–5.0 mm. Pinnately compound leaf type: the pinnately c...
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Asclepias variegata (red-ringed milkweed)
... 2.0 None–2.0 None. Stipule features: NA. Sepal and petal color: the sepals are dif...
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Thalictrum revolutum (waxy-leaved meadow-rue)
...body 2-4.5 mm long and a stipe 0.1-1.1 mm long (vs. T. revolutum, with filaments somewhat to prominently dilated distally and achenes with a body 3.4-5 mm long and a stipe 0.2-1.7 mm long).: ...
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Polygonum ramosissimum (yellow-flowered knotweed)
...12. Polygonum ramosissimum Michx. N│E yellow-flowered knotweed. 12a. Polygonum atlanticum (B.L. Robins.) Bickn.; P. exsertum Small; P. triangulum B...
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Symphytum officinale (common comfrey)
... 2.0 NA–2.0 NA. Horns in hoods (Asclepias): NA. Stamen lengths differ: the stamens ...
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Thalictrum dasycarpum (purple meadow-rue)
...bodies 2–4.6 mm long and achene stipes 0–1.1 mm long vs. 3.5–5 mm and 0.2–1.7 mm in T. revolutum, respectively. Native to North America? Yes ...
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Desmodium marilandicum (smooth small-leaved tick-trefoil)
...mostly 2-18 mm long, much shorter than the associated leaflets on the mid-stem leaves, and stems and leaf blades usually pubescent (vs. D. marilandicum, with petioles mostly 12-25 mm long, about as lo...
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Monarda punctata (spotted bee-balm)
... 2.0 NA–2.0 NA. Lifespan: the plant lives more than two years. Ovary position: the ...