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Elatine americana (American waterwort)
...with 2 sepals and 2 stamens).: Elatine minima leaf blades linear to lanceoate or narrow-lanceolate, truncate or retuse at the apex, and seeds borne throughout the leng...
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Erodium cicutarium (red-stemmed stork's-bill)
...L'Hér. ex Ait.. red-stemmed stork's-bill. Non-Monocots Alternate Remaining Non-Monocots Non-Monocots Remaining Non-Monocots Facts About: Red-stemmed stork's-bill was ...
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Viola sororia (woolly blue violet)
...long, 2 or more times as long as wide, and all petals without hairs (vs. V. sororia, with the nectary spur shorter, as long as 3.2 mm, less than 2 times as long as wide, and at least the lateral petal...
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Ludwigia palustris (common water-primrose)
...1–2.5 mm long) with sepals 2.5–3 mm long and petals 1.3–3 mm long (rarely the petals absent). Ludwigia palustris is characterized by sessile flowers with sepals 1.1–2 mm long and lacking petals...
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Geranium thunbergii (dew-drop crane's-bill)
...plant's tip. Fruit length: 21.0 mm–23.0 mm. Leaf stalk base: the petiole base is narrow where it at...
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Oenothera curtiflora (small-flowered bee-blossom)
... 2.0 mm–2.5 mm. Petal glandular dots or scales: no. Number of pistils: 1. ...
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Carex michauxiana (Michaux's sedge)
...Michaux's sedge is a species of peat swamps and peaty shores. The yellowish green leaf blades have yellow-brown to brown sheaths, and the perigynia are long and lanceolate, 8.7 to 12.1 mm long by...
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Trisetum spicatum (narrow false oat)
... 2. Trisetum spicatum (L.) Richter Nnarrow false oat. Aira spicata L.; Trisetum spicatum (L.) Richter var. molle (Kunth) Beal; T. spi...
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Woodwardia areolata (netted chain fern)
... 2.0 mm–25.0 mm. Sporangium type: the sporangia are opaque without an annulus and usually without a stalk (leptosporangiate). ...
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Carex nigra (smooth black sedge)
... 2.0 mm–4.5 mm. Lowest spike length: 12.0 mm–42.0 mm. Perigynium shape: the perigynium bo...