Helenium autumnale Linnaeus (Q2705)
Helenium autumnale is a taxon with the rank species within the genus Helenium
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Helenium autumnale Linnaeus
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Helenium autumnale is a taxon with the rank species within the genus Helenium
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Statements
taxon/id/Helenium autumnale Linnaeus
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Helenium autumnale Linnaeus
Helenium autumnale
Linnaeus
FNA Editorial Committee. 2006. Flora of North America north of Mexico. Volume 21: Magnoliophyta: Asteridae, part 8: Asteraceae, part 3. Oxford University Press, New York.
accepted
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CA-BC
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Klinkenberg, B. (ed.). 2010+. E-Flora BC: Electronic Atlas of the Plants of British Columbia. Lab. for Advanced Spatial Analysis, Department of Geography, University of British Columbia, Vancouver, B.C. http://www.eflora.bc.ca http://www.eflora.bc.ca/
CA-AB
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Moss, E.H. 1983. Flora of Alberta. 2nd edition, revised by J.G. Packer. University of Toronto Press, Toronto. 687 pp.
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
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Newmaster, S.G. & S. Ragupathy. 2005. Flora Ontario - Integrated Botanical Information System (FOIBIS), Phase I. University of Guelph, Canada. http://www.uoguelph.ca/foibis http://www.uoguelph.ca/foibis/
CA-QC
1 reference
Marie-Victorin, Fr. 1995. Flore laurentienne. 3e éd. Mise à jour et annotée par L. Brouillet, S.G. Hay, I. Goulet, M. Blondeau, J. Cayouette et J. Labrecque. Gaétan Morin éditeur. 1093 pp.
CA-NT
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Porsild, A.E. & W.J. Cody. 1980. Vascular Plants of the Continental Northwest Territories, Canada. National Museum of Natural Sciences, Ottawa, Ont. 667 pp.
CA-AB
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CA-BC
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CA-MB
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CA-NT
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CA-ON
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CA-QC
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CA-SK
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US-AL
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US-AZ
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US-AR
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US-CA
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US-CO
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US-DE
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US-DC
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US-FL
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US-GA
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US-ID
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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-KY
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US-LA
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US-MD
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US-MA
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US-MI
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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-NV
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US-NJ
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US-NM
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US-NY
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US-NC
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US-ND
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US-OH
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US-OK
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US-OR
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US-PA
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US-SC
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US-TN
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US-TX
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US-UT
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US-VA
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US-WA
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US-WV
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US-WY
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20–2600 m
20 meter
2,600 meter
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Stems 1 (–7), branched distally, strongly winged, sparsely to densely hairy proximally, moderately to densely hairy distally.
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Leaves usually moderately to densely hairy, sometimes glabrous;
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basal blades (withered by flowering) lanceolate, oblanceolate, or obovate, entire or weakly lobed;
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distal blades oblanceolate to lanceolate, entire or dentate.
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Heads 5–70 (–100+) per plant, in paniculiform arrays.
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Peduncles 3–10 cm, moderately to densely hairy.
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Involucres globoid, 8–20 × 8–23 mm.
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Phyllaries (connate proximally) moderately to densely hairy.
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Ray-florets 8–21, pistillate, fertile;
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corollas yellow, 10–23 × 4–10 mm.
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Disc-florets 200–400 (–800+);
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corollas yellow proximally, yellow to yellowbrown distally, 2.4–4 mm, lobes 5.
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Cypselae 1–2 mm, sparsely to moderately hairy;
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pappi of 5–7 entire, aristate scales (0.5–) 0.9–1.5 (–1.8) mm.
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sparsely to densely; proximally
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moderately to densely; distally
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sparsely to moderately
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