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Zannichellia palustris (horned-pondweed)
...stalks 12-19 mm long, and stigma capitate (vs. Z. palustris, with leaves opposite, mature fruits borne on stalks 0.3-1.2 mm long, and stigma funnelform).: Ruppia maritima ...
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Stellaria alsine (bog stitchwort)
... 1. Spines on plant: the plant has no spines. Fruit length: 2.5 mm–3.5 mm. ...
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Crataegus macracantha (long-thorned hawthorn)
...clearings. 1a. Anthers anthocyanic; flowers 15–18 (–19) mm wide … 31a. C. macracantha var. occidentalis (Britt.) Egglest. 1b. Anthers non-anthocyanic; flowers 17–22 mm wide … 31b. C. macracantha va...
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Salix purpurea (basket willow)
...mm–100.0 mm. Winter bud scales: the winter bud is perulate (partially or completely covered with one or more scales). Flower ...
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Toxicodendron radicans (poison-ivy)
...areas.1a. Leaflets softly pubescent across abaxial surface; petioles pubescent; drupes usually glabrous … 1a. T. radicans ssp. negundo (Greene) Gillis1b. Leaflets glab...
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Lobularia maritima (sweet-alyssum)
... 1.9 mm–4.2 mm. Number of pistils: 1. Plant color: the leaves or young stems of the...
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Cucurbita maxima (winter squash)
... 1. Cucurbita maxima Duchesne Ewinter squash. MA, ME, VT; also reported for CT by Graves et al. (1910), but specimens are unknown. Dumps, fields, waste areas. This species includes several famili...
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Taenidia integerrima (yellow-pimpernel)
... 1. Upper lip of bilabiate corolla: NA. Growth form: the plant is an herb (it has self...
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Salix eriocephala (heart-leaved willow)
... 1 or 2. Twig papillae (Vaccinium species only): NA. Number of pistils: 1. ...
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Saponaria pumilio (pygmy soapwort)
... 10. Flower description: the flower has a superior ovary, and lacks a hypanthium. Plant odor: ...