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Tiarella cordifolia (foam-flower)
... 2.0 None–2.0 None. Leaf variation: NA. Leaves on stem: there is at least one full ...
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Sonchus asper (spiny-leaved sow-thistle)
...years' growth. Leaf spines: there are spines along the leaf edges. Disk flower shape: NA. ...
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Viola adunca (hook-spurred violet)
... 2.8 mm–7.0 mm. Stem roughness between nodes: the stem does not feel rough. Leaf tip: ...
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Pycnanthemum virginianum (Virginia mountain-mint)
... 2.0 NA–2.0 NA. Raceme attachment (Veronica): NA. Corolla morphology: the flower ha...
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Symphyotrichum anticostense (Anticosti American-aster)
...mostly 2–5 mm wide, base of stem thinner than 2.5 mm, and plants mostly of high-pH fens (vs. S. anticostense, with leaf blades usually narrow-lanceolate , with plane margins, 5–25 mm wide, base of ste...
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Erodium ciconium (common stork's-bill)
...12-15 mm long, mericarps 9-11 mm long, and carpel beaks mostly 60-100 mm long).: Erodium malachoides carpel beaks 25–42 mm long, sepals 8–12 mm long, and mericarp bodi...
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Chamaepericlymenum canadense (bunchberry, Canada dwarf-dogwood)
...to 24,000 meters per second per second to an altitude of 2.5 cm, where they can remain suspended until they reach a receptive stigma on another plant. Habitat: anthropogenic (man-made or disturbed h...
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Silene antirrhina (sleepy campion)
... 2.0 mm–15.0 mm. Teeth per side of leaf blade: 0.0 NA–0.0 NA. Underground organs: there i...
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Castilleja exserta (purple painted-cup)
... 2.0 NA–2.0 NA. Bracteole shape: NA. Epicalyx: the flower does not have an epicalyx...
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Sedum ternatum (woodland stonecrop)
...cm–20.0 cm. Achene surface (Polygonum): NA. Sap color: the sap is clear. S...