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Trifolium resupinatum (Persian clover)
... 1. Stipule features: NA. Seed number: 1.0 NA–1.0 NA. Stem orientat...
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Viburnum opulus (highbush-cranberry)
...(1999), based on George (1992); however, George (1999) stated this taxon was not naturalized in RI. Native to North America? Yes ...
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Vernonia fasciculata (prairie ironweed)
... 1.0 mm–12.0 mm. Bract outer side hairs: the bracts are hairy on their outer surfaces. Tuft or plume on fruit...
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Petrorhagia saxifraga (saxifrage childing-pink)
... 10. Number of pistils: 1. Leaf arrangement: opposite: there are two leaves per node a...
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Alopecurus geniculatus (marsh meadow-foxtail)
...NA–11.7 NA. Lemma cross-section: the lemma is V-shaped if you cut across the midpoint. Inflorescence length: 15....
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Spinulum annotinum (bristly clubmoss, common interrupted-clubmoss)
... 15.0 mm–43.0 mm. Leaf ranks: 10 or 11. Leaf orientation: the vegetative leaves cur...
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Amelanchier gaspensis (Gaspe serviceberry, Gaspe shadbush)
... 13 or more. Number of pistils: 1. Stamens fused: the stamens are not fused to one ano...
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Spiranthes ochroleuca (yellow ladies'-tresses)
...0.1–0.5 mm (vs. S. ochroleuca, with abaxial surface of the labellum yellow, with rounded glands, and maximum separation of lateral sepals from dorsal sepal mostly 0.5–1.1 mm).: Spiranthes ...
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Hieracium pilosella (mouse-ear hawkweed)
...mostly 10–13 mm tall (vs. H. pilosella, with the capitulescence with mostly 1 or 2 capitula and involucres mostly 7.5–9 mm tall).: Hieracium flagellare Synony...
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Lepidium heterophyllum (variable-leaved pepperweed)
... 1. Fusion of sepals and petals: both the petals and sepals are separate and not fused. Hairs on underside of le...