[MAIPC] Phalaris arundinacea

[Milo Pyne]

We have recently seen what appear to be native (not dense, in mixed marsh) and non-native (very dense, in disturbed areas) stands in southern Louisiana (Jean Lafitte NP).

Milo Pyne, NatureServe

From: MAIPC [mailto:maipc-bounces at lists.maipc.org] On Behalf Of Mark Frey
Sent: Thursday, July 09, 2015 12:49 PM
To: Rohrbaugh, Andrew
Cc: MAIPC at lists.maipc.org
Subject: Re: [MAIPC] Phalaris arundinacea

Thanks!

This webinar briefly mentions the species being native and non-native essentially everywhere except the southeaster US.

On Thu, Jul 9, 2015 at 12:12 PM, Rohrbaugh, Andrew <anrohrbaug at pa.gov<mailto:anrohrbaug at pa.gov>> wrote:
I seem to recall the webinar link below talking about the genetic studies that were done and mentioning that all of the populations studied were hybridized. I can’t remember, and don’t have time to listen through it today, but they may mention the source:

http://www.conservationwebinars.net/webinars/reed-canarygrass-research-and-control-methods



Andrew Rohrbaugh | Botanist
Pennsylvania Department of Conservation & Natural Resources
Bureau of Forestry | Ecological Services Section
PO Box 8552, 400 Market St, Harrisburg, PA 17105-8552
Phone: 717.705.2823 | Fax: 717.772.0271
anrohrbaug at pa.gov<mailto:anrohrbaug at pa.gov>
www.dcnr.state.pa.us<http://www.dcnr.state.pa.us/>

From: MAIPC [mailto:maipc-bounces at lists.maipc.org<mailto:maipc-bounces at lists.maipc.org>] On Behalf Of Mark Frey
Sent: Thursday, July 09, 2015 10:43 AM
To: MAIPC at lists.maipc.org<mailto:MAIPC at lists.maipc.org>
Subject: [MAIPC] Phalaris arundinacea

All

Do you treat Phalaris arundinacea? Everywhere?

This species likely has both native and non-native strains in North America. When I worked in Ohio we treated it as non-native but many DC-area floras treat it as native.

Some key references (thanks to Rob Soreng):
-Baldini, R. M. 1995. Revision of the genus Phalaris L. (Gramineae). Webbia 49(2): 265–329.
-Shetler, S. G., S. S. Orli, E. F. Wells & M. Bayersdorfer. 2006. Checklist of the vascular plants of Plummers Island, Maryland – Contribution XXIX to the natural history of Plummers Island, Maryland. Bull. Biol. Soc. Wash. 14: i–iii + 1–58.
-Ibrahim, K. M. & P. M. Peterson. 2014. Grasses of Washington, D.C. Smithsonian Contr. Bot. 99: 1–128.

This may be informative but I don't yet have access to it:
Merigliano, M. F. & P. Lesica. 1998. The native status of reed canary grass (Phalaris arundinacea L.) in the inland northwest, USA. Nat. Areas J. 18: 223–230.

Thanks,
Mark Frey

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