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Authors Allen, GA; McCormick, LJ; Jantzen, JR; Marr, KL; Brown, BN
Author Full Name Allen, Geraldine A.; McCormick, Laurie J.; Jantzen, Johanna R.; Marr, Kendrick L.; Brown, Becky N.
Title Distributional and Morphological Differences between Native and Introduced Common Reed (Phragmites australis, Poaceae) in Western Canada
Source WETLANDS
Language English
Document Type Article
Author Keywords Phragmites australis; Cryptic invasive species; Plastid DNA haplotype; Morphological variation
Keywords Plus LONG-DISTANCE DISPERSAL; NORTH-AMERICA; GENETIC DIVERSITY; CRYPTIC INVASION; CHESAPEAKE BAY; SALT TOLERANCE; LINEAGES; HYBRIDIZATION; HAPLOTYPE; ORIGIN
Abstract Phragmites australis (common reed) is a widespread perennial grass of wetland habitats, with cryptic native and introduced subspecies in North America. We determined the relative abundance of the subspecies and the distributions of plastid DNA haplotypes throughout British Columbia, Canada, at the northwestern distribution limit of common reed in North America. Of 203 specimens assigned to subspecies using molecular markers, we identified only 9 plants as the introduced ssp. australis; all remaining samples were the native ssp. americanus. The two subspecies co-occurred at only one locality. We identified four native haplotypes (one widespread in British Columbia and three others more localized) and two introduced haplotypes. Using plants of known haplotype, we assessed the utility of different morphological traits and trait combinations for distinguishing native and introduced subspecies in this geographic region. No single morphological trait was diagnostic, but principal components analysis and identification indices based on combinations of traits consistently separated the native and introduced subspecies in our sample. Two- or three-trait combinations of ligule length, lemma length and stem anthocyanic coloration gave the best separation. These indices could reduce the need for confirmation of the introduced subspecies using molecular tools, facilitating efforts to monitor and control this invasive plant.
Author Address [Allen, Geraldine A.; McCormick, Laurie J.; Jantzen, Johanna R.] Univ Victoria, Dept Biol, POB 1700 Stn CSC, Victoria, BC V8W 2Y2, Canada; [Marr, Kendrick L.] Royal British Columbia Museum, 675 Belleville St, Victoria, BC V8W 9W2, Canada; [Brown, Becky N.] BC Minist Forests Lands & Nat Resource Operat, Invas Plant Program, 2100 Labieux Rd, Nanaimo, BC V9T 6E9, Canada
Reprint Address Allen, GA (corresponding author), Univ Victoria, Dept Biol, POB 1700 Stn CSC, Victoria, BC V8W 2Y2, Canada.
E-mail Address gallen@uvic.ca
Funding Agency and Grant Number Ministry of Forests, Lands and Natural Resource Operations, Government of British Columbia
Funding Text This project was carried out under a contract funded by the Ministry of Forests, Lands and Natural Resource Operations, Government of British Columbia. We acknowledge the help of all those who collected specimens for this study, including S. Cesselli, M. DeWolf, R. Haegedorn, C. MacRae, K. May, D. McLean, J. E. Portelance, R. Rudland, B. Smith and E. Sonntag. We also thank the Royal British Columbia Museum (V) for permission to analyze leaf tissue from herbarium specimens of P. australis.
Times Cited 3
Total Times Cited Count (WoS, BCI, and CSCD) 3
Publisher SPRINGER
Publisher City DORDRECHT
Publisher Address VAN GODEWIJCKSTRAAT 30, 3311 GZ DORDRECHT, NETHERLANDS
ISSN 0277-5212
29-Character Source Abbreviation WETLANDS
ISO Source Abbreviation Wetlands
Publication Date OCT
Year Published 2017
Volume 37
Issue 5
Beginning Page 819
Ending Page 827
Digital Object Identifier (DOI) 10.1007/s13157-017-0914-4
Page Count 9
Web of Science Category Ecology; Environmental Sciences
Subject Category Environmental Sciences & Ecology
Document Delivery Number FJ3TT
Unique Article Identifier WOS:000412655600002
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