Packera plattensis (Nuttall) W. A. Weber & Á. Löve (Q2907)
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Packera plattensis is a taxon with the rank species within the genus Packera
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| English |
Packera plattensis (Nuttall) W. A. Weber & Á. Löve
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Packera plattensis is a taxon with the rank species within the genus Packera
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Statements
taxon/id/Packera plattensis (Nuttall) W.A. Weber & Á. Löve
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Packera plattensis (Nuttall) W.A. Weber & Á. Löve
Packera plattensis
(Nuttall) W.A. Weber & Á. Löve
FNA Editorial Committee. 2006. Flora of North America north of Mexico. Volume 20: Magnoliophyta: Asteridae, part 7: Asteraceae, part 2. Oxford University Press, New York.
accepted
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CA-BC
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Douglas, G.W., G.B. Straley, D.V. Meidinger & J. Pojar. 1998. Illustrated Flora of British Columbia. B.C. Ministry of Environment, Lands & Parks and B.C. Ministry of Forests. Victoria. Crown Publications. 8 vols.
CA-SK
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Harms, V.L. 2006. Annotated catalogue of Saskatchewan vascular plants. http://www.biodiversity.sk.ca/Docs/AnnotatedCatalogueSKVascPlants2006.pdf
CA-MB
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Manitoba Checklist, 2002
CA-ON
1 reference
Mahoney, A.M. & R.R. Kowal. 2008. Three new varieties of Packera paupercula (Asteraceae, Senecioneae) in Midwestern and Southeastern North America. Novon 18: 220-228 http://dx.doi.org/10.3417/2006016
CA-ON
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CA-SK
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US-AR
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US-CO
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US-GA
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US-IL
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US-IN
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US-IA
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US-KS
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US-LA
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US-MI
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US-MN
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US-MS
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US-MO
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US-MT
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US-NE
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US-NM
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US-ND
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US-OH
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US-OK
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US-PA
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US-SD
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US-TN
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US-VA
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US-WI
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US-WY
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50–1800 m
50 meter
1,800 meter
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Stems 1 or 2–3, clustered, floccose-tomentose proximally and in leaf-axils, otherwise sparsely tomentose or glabrescent.
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Basal leaves (and proximal cauline) petiolate;
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blades narrowly elliptic to elliptic-ovate or oblanceolate to suborbiculate or sublyrate, 20–70+ × 10–30+ mm, bases tapering to rounded or abruptly contracted, margins subentire to crenate, serrate-dentate, or pinnately lobed (abaxial faces floccose-tomentose, especially along midribs, ± glabrescent).
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Cauline leaves gradually reduced (petiolate, sublyrate or pinnatisect, abaxial faces sparsely hairy; distals sessile, subentire to irregularly dissected).
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Heads 6–20+ in open or congested, corymbiform arrays.
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Peduncles conspicuously bracteate, sparsely to densely tomentose.
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Calyculi inconspicuous.
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Ray-florets 8–10;
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corolla laminae 9–10 mm.
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Disc-florets 60–70+;
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corolla-tubes 2.5–3.5 mm, limbs 3.5–4.5 mm.
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Cypselae 1.5–2.5 mm, usually hirtellous, sometimes glabrous;
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pappi 6.5–7.5 mm. 2n = 46, 92.
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floccose-tomentose
proximally
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tomentose
otherwise sparsely
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narrowly elliptic
elliptic-ovate or oblanceolate
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subentire
crenate serrate-dentate or pinnately lobed
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subentire
crenate serrate-dentate or pinnately lobed
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subentire
crenate serrate-dentate or pinnately lobed
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