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Schkuhria pinnata (feathery false threadleaf)
...mm–1.2 mm. Ovary length in developed fruit: 3.0 mm–4.0 mm. Bract tip extension edge: NA. ...
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Salix occidentalis (dwarf prairie willow)
...1-2.5 cm, borne on leaf stalks 3-7 mm long, and fruiting catkins mostly 15-47 mm long (vs. S. occidentalis, with leaf blades 2-5 x 0.7-1.2 cm, borne on leaf stalks 0.5-3 mm long, and fruiting catkins ...
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Helianthus maximiliani (Maximilian's sunflower)
...Schrad.. Maximilian's sunflower. Non-Monocots Composites Facts About: Maximilian's sunflower is probably native to midcontinental prairies, but has spread along roads and railw...
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Corema conradii (broom-crowberry)
...or 2. Sepals fused only to sepals: the sepals are separate from one another. Twig scales: there ar...
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Achillea ligustica (Ligurian yarrow)
...11-20. Plant lifespan: the plant is perennial, it shows evidence of previous year's leaves, stems or stem bases. Ovary ...
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Cuscuta campestris (field dodder)
...1.4–2.1 mm long, and seeds 0.9–1.1 mm long (vs. C. campestris, with calyx lobes ovate-triangular, not or scarcely overlapping at base, flowers mostly 2.1–3.6 mm long, and seeds 1.1–1.5 mm long).: ...
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Salix eriocephala (heart-leaved willow)
...or 2. Twig papillae (Vaccinium species only): NA. Number of pistils: 1. L...
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Saponaria pumilio (pygmy soapwort)
...with 2 styles, and capsules dehiscing by 4 valves).: Silene acaulis Synonyms: Cucubalus pumilio, Silene pumilio ...
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Carex scirpoidea (Canadian single-spike sedge)
... 2.5 mm–2.5 mm. Perigynium length: 1.8 mm–3.0 mm. Lowest bract sheath: the lowest bract h...
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Vicia pannonica (Hungarian vetch)
...NA–22.0 NA. Mericarp segment shape (Desmodium): NA. Leaf teeth and lobes: the edge of the leaf blad...