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Sparganium americanum (American bur-reed)
... 1.0 NA–1.0 NA. Leaf blade cross-section: the leaf blade is U- or V-shaped. Inflorescence type: ...
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Quercus macrocarpa (burr oak)
... 11. Sepals fused only to sepals: the sepals are separate from one another. Fruit tissue origin: ...
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Scrophularia marilandica (eastern figwort)
...than 1/3 as long as the blade, and corolla 7–10 mm long (vs. S. marilandica, with leaf blades acuminate at the apex, petiole not or scarcely wing-margined, 1/3 to 1/2 as long as the blade, and coroll...
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Fraxinus americana (white ash)
...with 11-41 leaflets, and fruit with the seed +/- centered within the wing (vs. F. americana, with leaves opposite, with 5-9 leaflets, and fruit with the seed positioned at one end of the wing).: ...
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Muhlenbergia mexicana (Mexican muhly)
... 1.1 mm–1.6 mm. Palea length: 1.5 mm–3.8 mm. Floret lower bract texture: the lemma is thi...
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Eleocharis quinqueflora (few-flowered spikesedge)
...0.9-1.3 mm long and floral scales mostly 1.5-2 mm long (vs. E. quinqueflora, with achenes 1.9-2.6 mm long and floral scales 2.5-5 mm long).: Eleocharis parvula ...
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Question: I'm struggling to definitively I.D. this small bladderwort - I can't decide …
...branches 1-3 time in the image, U. gibba looks like a good match (as best I can tell). Best wishes.
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Family: Hydrocharitaceae (frog's-bit family)
...are 1 to many stamens, which sometimes are fused together. The fruit is berry-like or capsule-like and contains many seeds. Some of the species in this family were formerly considered to belong to the...
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Family: Plantaginaceae (plantain family)
...and 1 style. The fruit is a capsule that splits open to release its seeds. Some species in this family were formerly placed in other families, including the Callitrichaceae, Hippuridaceae, and Scrophu...
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Family: Orchidaceae (orchid family)
...from 1-3 stamens and an inferior ovary comprised on 3 united carpels. The fruit is a capsule that opens to release the many tiny seeds. This Family's Genera: Amerorchis Aplectrum Areth...