[MAIPC] Faith's new blog - invasive plants as extinction driver

[Marc Imlay]

http://explorer.natureserve.org/servlet/NatureServe?loadTemplate=tabular_report.wmt <http://explorer.natureserve.org/servlet/NatureServe?loadTemplate=tabular_report.wmt&paging=home&save=all&sourceTemplate=reviewMiddle.wmt> &paging=home&save=all&sourceTemplate=reviewMiddle.wmt 

shows many GX (extinct) plants such as  <javascript:launch_detailed_report('species','RptComprehensive.wmt','147765')> Astilbe crenatiloba    Crenate-lobed False Goat's-beard, formerly found in Tennessee. The article

http://www.nivemnic.us/on-the-road-to-extinction-invasive-plants-do-have-significant-impacts/ On the Road to Extinction, Invasive Plants Do Have Significant Impacts, instead says that none of the species have been proven to be extinct. This is important because invasive species typically cover at least 20 % of the natural areas replacing most of the natives. That in turn is an important justification to permit host specific, effective biological controls, especially on the worst ones such as Japanese Stiltgrass, Japanese Knotweed,  and Lesser Celandine. 

Marc Imlay, PhD, Chair, MAIPC Biological control working Group Conservation biologist, 

Park Ranger Office, Non-native Invasive Plant Control coordinator.  <mailto:Marc.Imlay at pgparks.com> Marc.Imlay at pgparks.com

(301) 442-5657 <tel:%28301%29%20442-5657>  cell  Natural and Historical Resources Division

The  Maryland-National   Capital   Park  and Planning Commission

 

From: Lynn M. Davidson -DNR- [mailto:lynn.davidson at maryland.gov] 
Sent: Thursday, October 20, 2016 2:15 PM
To: Marc Imlay <ialm at erols.com>
Subject: Re: [INVASIVES] [MAIPC] Faith's new blog - invasive plants as extinction driver

 

Marc,

I forgot to mention that this database contains older SRanks for Maryland (or most states) than what we maintain, because we only update the NatureServe central database from our database every 3 - 5 years or so (unfortunately!).

 

Lynn

 

Marc,

You can use NatureServe's Explorer website to generate a list of extinct plants (or animals):

http://explorer.natureserve.org/servlet/NatureServe

 

At the top of the page are various tabs for "Name" "Location" "Status". You can leave the name field blank and search for GX or SX on the Status tab and MD on the Location tab if you only want to see those species in MD.

 

lynn

 

Lynn Davidson

Conservation Technology Manager

Maryland Dept of Natural Resources

Wildlife and Heritage Service

Natural Heritage Program

580 Taylor Ave, E-1

Annapolis, MD 21401

Office:   <tel:410-260-8563> 410-260-8563

 

 

 

On Thu, Oct 20, 2016 at 10:49 AM, Marc Imlay <ialm at erols.com <mailto:ialm at erols.com> > wrote:

Does anyone have a list of extinct native plant species?

  http://www.nivemnic.us/on-the-road-to-extinction-invasive-plants-do-have-significant-impacts/

 On the Road to Extinction, Invasive Plants Do Have Significant Impacts

 From: MAIPC [mailto:maipc-bounces at lists.maipc.org] On Behalf Of Phytodoer at aol.com <mailto:Phytodoer at aol.com> 
Sent: Wednesday, October 19, 2016 1:33 PM
To: ficmnew at ls.ars.usda.gov <mailto:ficmnew at ls.ars.usda.gov> ; maipc at lists.maipc.org <mailto:maipc at lists.maipc.org> ; necis at lists.nationalwildlife.org <mailto:necis at lists.nationalwildlife.org> 
Subject: [MAIPC] Faith's new blog - invasive plants as extinction driver

 

Dear Forest Pest Mavens & others,

 

I have posted a new blog at www.cisp.us <http://www.cisp.us>     This one summarizes the arguments made by Downey and Richardson re: the role of non-native invasive plants in pushing native plant species along the "extinction trajectory".  Downey and Richardson are countering arguments by some that invasive plant species have trivial impacts and so should not become the focus of expensive or difficult management efforts.  

 

I hope you find it interesting ... and will share it with your colleagues.

 

Faith



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