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Survey of Chicago Region Restoration Seed Source Policies

Survey of Chicago Region Restoration Seed Source Policies This study revealed that in spite of the number and extent of invasions by A. calamus, there are few references to its invasive character in North America. The Delaware (State) Native Plant Group (2006) lists A. calamus with 13 other species, as "widespread and invasive". A. calamus is not readily discernible in the field from other morphologically similar nonnative invasive species such as yellow flag (Iris pseudacorus) and narrowleaf cattail (Typha angustifolia) and its hybrids. As a consequence of the failure to publicize its invasive character more widely, invasions by A. calamus may go unnoticed for a considerable time (Les and Mehrhoff 1999). With the clarification of species identity for Acorus found in North America, we can now identify and address the invasiveness of A. calamus. Acknowledgements We are grateful to Donald Beam for his valuable assistance in locating a population of A. americanus in Holmes County, OH and describing the quality of the associated plant community. We are also grateful to Rick Gardner, ODNR State Botanist, for information on the habitat distributions of the 2 species of sweet flag in Ohio. Cassi Saari (ecology + vision, llc.,136 Railroad Street, Leland, IL 60531, cassisaari@gmail.com) and Wesley Glisson (Plant http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Ecological Restoration University of Wisconsin Press

Survey of Chicago Region Restoration Seed Source Policies

Ecological Restoration , Volume 30 (3) – Aug 2, 2012

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Publisher
University of Wisconsin Press
Copyright
Copyright © University of Wisconsin Press
ISSN
1543-4079
Publisher site
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Abstract

This study revealed that in spite of the number and extent of invasions by A. calamus, there are few references to its invasive character in North America. The Delaware (State) Native Plant Group (2006) lists A. calamus with 13 other species, as "widespread and invasive". A. calamus is not readily discernible in the field from other morphologically similar nonnative invasive species such as yellow flag (Iris pseudacorus) and narrowleaf cattail (Typha angustifolia) and its hybrids. As a consequence of the failure to publicize its invasive character more widely, invasions by A. calamus may go unnoticed for a considerable time (Les and Mehrhoff 1999). With the clarification of species identity for Acorus found in North America, we can now identify and address the invasiveness of A. calamus. Acknowledgements We are grateful to Donald Beam for his valuable assistance in locating a population of A. americanus in Holmes County, OH and describing the quality of the associated plant community. We are also grateful to Rick Gardner, ODNR State Botanist, for information on the habitat distributions of the 2 species of sweet flag in Ohio. Cassi Saari (ecology + vision, llc.,136 Railroad Street, Leland, IL 60531, cassisaari@gmail.com) and Wesley Glisson (Plant

Journal

Ecological RestorationUniversity of Wisconsin Press

Published: Aug 2, 2012

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