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Elodea nuttallii (free-flowered waterweed)
... 1.5 mm–2.0 mm. Underwater leaf length: 4.0 mm–15.5 mm. Style length: 1.2 mm–2.0 mm. ...
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Cardamine incisa (Eames' toothwort)
... 1. Hairs between stem nodes: the hairs on the stem are plain, without glands or branches, and not tangled. Bulb...
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Crataegus brainerdii (Brainerd's hawthorn)
...(1844-1924) who, in addition to being President of Vermont's Middlebury College, was a renowned botanist. Indeed, the heart of this species' range in New England is the spine of the Green M...
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Phlox pilosa (downy phlox)
... 1.0 None–1.0 None. Hairs between stem nodes: the hairs on the stem are plain, without glands or branches, and not tangled. ...
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Hydrocotyle verticillata (whorled marsh-pennywort)
...mostly 15–35 flowers in the lowest whorl, and schizocarp 2–3 mm wide (vs. H. verticillata, with the inflorescence appearing to be a spike or raceme with 2–12 whorls of flowers, each whorl with mostly ...
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Polygonum arenarium (European knotweed)
...striate-papillose, 1.7–2.8 mm long, and tepals 1.9–3 mm long).: Polygonum bellardii Family: Polygonaceae Genus: Polygonum
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Cuscuta pentagona (bush-clover dodder)
...seeds 1.1–1.5 mm long (vs. C. pentagona, with calyx lobes broad-ovate to rhombic, broadly overlapping at base, protruding to form angles, flowers mostly 1.4–2.1 mm long, and seeds 0.9–1.1 mm long).: ...
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Bupleurum rotundifolium (narrow-leaved thorough-wax)
... 15.0 cm–75.0 cm. Carpels fused: the carpels are fused to one another. Leaf arrangement: ...
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Sclerolepis uniflora (sclerolepis)
... 1.0 mm–1.0 mm. Disk flower color: other. Ovary cross-section: the ovary has five o...
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Gilia interior (inland gilia)
... 1.0 None–1.0 None. Leaf blade edges: the edge of the leaf blade is entire (has no teeth or lobes). Lifespan:...