Ambrosia trifida Linnaeus (Q2723)
Ambrosia trifida is a taxon with the rank species within the genus Ambrosia
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| English |
Ambrosia trifida Linnaeus
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Ambrosia trifida is a taxon with the rank species within the genus Ambrosia
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Statements
taxon/id/Ambrosia trifida Linnaeus
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Ambrosia trifida Linnaeus
Ambrosia trifida
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
1 reference
CA-AB
1 reference
Moss, E.H. 1983. Flora of Alberta. 2nd edition, revised by J.G. Packer. University of Toronto Press, Toronto. 687 pp.
CA-BC
irregular
introduced
1 reference
Straley, G.B., D.V. Meidinger & G.W. Douglas. 1989-1994. The Vascular plants of British Columbia. BC. Ministry of Forests, Victoria. 4 vols.
CA-MB
1 reference
Manitoba Checklist, 2002
CA-NB
present
introduced
1 reference
Hinds, H.R. 2000. Flora of New Brunswick : a manual for the identification of the vascular plants of New Brunswick. 2nd edition. Biology Department, University of New Brunswick, Fredericton. 699 pp.
CA-NS
present
introduced
1 reference
Zinck, M. 1998. Roland's Flora of Nova Scotia. Nimber Publishing & Nova Scotia Museum. Halifax, N. S. 2 vols. 1297 pp.
CA-ON
1 reference
Newmaster, S.G., A. Lehela, M.J. Oldham, P.W.C. Uhlig & S. McMurray. 1998. Ontario Plant List. Ontario Forest Research Institute, Sault Ste. Marie, Ontario. Forest Information Paper No. 123. 550 pp.
CA-PE
present
introduced
1 reference
Catling, P.M., D.S. Erskine & R.B. MacLaren. 1985. The Plants of Prince Edward Island with new records, nomenclatural changes, and corrections and deletions. Agriculture Canada, Research Branch, Ottawa. Publication 1798. 272 pp.
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-SK
1 reference
Harms, V.L. 2006. Annotated catalogue of Saskatchewan vascular plants. http://www.biodiversity.sk.ca/Docs/AnnotatedCatalogueSKVascPlants2006.pdf
CA-AB
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CA-BC
1 reference
CA-MB
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CA-NB
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CA-NS
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CA-ON
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CA-PE
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CA-QC
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CA-SK
1 reference
US-AL
1 reference
US-AK
1 reference
US-AZ
1 reference
US-AR
1 reference
US-CA
1 reference
US-CO
1 reference
US-CT
1 reference
US-DE
1 reference
US-DC
1 reference
US-FL
1 reference
US-GA
1 reference
US-ID
1 reference
US-IL
1 reference
US-IN
1 reference
US-IA
1 reference
US-KS
1 reference
US-KY
1 reference
US-LA
1 reference
US-ME
1 reference
US-MD
1 reference
US-MA
1 reference
US-MI
1 reference
US-MN
1 reference
US-MS
1 reference
US-MO
1 reference
US-MT
1 reference
US-NE
1 reference
US-NH
1 reference
US-NJ
1 reference
US-NM
1 reference
US-NY
1 reference
US-NC
1 reference
US-ND
1 reference
US-OH
1 reference
US-OK
1 reference
US-OR
1 reference
US-PA
1 reference
US-RI
1 reference
US-SC
1 reference
US-SD
1 reference
US-TN
1 reference
US-TX
1 reference
US-UT
1 reference
US-VT
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US-VA
1 reference
US-WA
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US-WV
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US-WI
1 reference
US-WY
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Leaves mostly opposite;
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petioles 10–30 (–70+) mm;
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blades rounded-deltate to ovate or elliptic, 40–150 (–250+) × 30–70 (–200+) mm, usually some blades palmately 3 (–5) -lobed, bases truncate to cuneate (sometimes decurrent onto petioles), margins usually toothed, rarely entire, abaxial and adaxial faces ± scabrellous and glanddotted.
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Pistillate heads clustered, proximal to staminates;
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Staminate heads: peduncles 1–3+ mm;
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involucres ± saucer-shaped, 2–4 mm diam., scabrellous (often with 1–3 black nerves);
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Burs: bodies ± pyramidal, 3–5 (–7+) mm, glabrous or glabrate, spines 4–5, ± distal, ± acerose, 0.5–1 mm, tips straight (bases ± decurrent as ribs).
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rounded-deltate
ovate or elliptic
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3(-5)-lobed
usually; palmately
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