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Potamogeton richardsonii (Richardson's pondweed)
...to 15-veined, and stipules disintegrating and absent on the lower part of the stem (vs. P. richardsonii, with leaf blades narrow-ovate to narrow-lanceolate, mostly 30–130 mm long, coarsely 13- to 21-v...
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Physalis alkekengi (strawberry ground-cherry)
...Plants 16-24 inches (6-11cm) tall spread by rhizomes to form colonies. Its common name ("lantern-plant") refers to its bladder-like fruits, with an inflated, bright orange tissue that enclo...
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Linaria genistifolia (broom-leaved toadflax)
... 1. Sepal number: 5.0 NA–5.0 NA. Number of styles: 1.0 None–1.0 None. Sta...
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Cuscuta approximata (alfalfa dodder)
... 1. Flower petal color: white. Leaf stalk attachment to leaf: NA. ...
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Cytisus scoparius (Scotch broom)
...9–11 mm long (vs. angled, but not grooved, branchlets and bright yellow flowers 20–25 mm long in C. scoparius). Native to North America? No Sy...
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Silene nivea (snowy campion)
... 10. Branched tendrils: NA. Leaf blade length: 50.0 mm–100.0 mm. Pl...
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Misopates orontium (lesser-snapdragon)
... 15.0 mm–15.0 mm. Leaves per node: there is one leaf per node along the stem. Leaf blade base: ...
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Lithospermum officinale (European gromwell)
... 1.0 None–1.0 None. Stipule features: NA. Sepal and petal color: the sepals are dif...
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Nymphoides cordata (little floating-heart)
... 15.0 mm–50.0 mm. Anther length: None mm–10.0 mm. Underwater leaf blade width: 0.0 mm–0.0 ...
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Platanthera flava (northern tubercled bog-orchid)
...mm–11.0 mm. Shape of viscidium: the viscidium is another shape than the choices given. Main color of lower petal: ...