[MPWG] Fw: regarding posting on this list ~ Creosote

[Elizabeth Kirchner]

Thank you, everybody, for the insight and references. Like lead into 
gold, Larrea tridentata seems to be the right plant for the Gila tribe 
to harvest. While there are some reports of deer herbivory, and seed 
consumption and dispersal by packrats, everybody is describing a species 
that's not only pretty abundant, but with increased desertification in 
the southwest a population that's spreading.

Michael McGuffin wrote:
>
> Hi,
>
> Here are references that supports Eden's understanding:
>
>  
>
> */Larrea tridentata/** *(DC.) Cov. : "dominant shrub over vast areas 
> of desert." Hickman JC (ed.); 1993; /The Jepson manual: Higher plants 
> of California/; Berkeley: University of California Press.
>
>  
>
> */Larrea divaricata /*Cav. : "Creosote Bush is the most common and 
> widely distributed shrub of the Lower Sonoran Life Zone in the desert 
> regions of southern California where it often forms pure associations 
> making a distinct belt of vegetation known as the /Larrea 
> /(/Covillea/) belt. ... It extends eastward through Nevada, Arizona, 
> and New Mexico to Texas and southward into Mexico. It also occurs in 
> Argentina, South America. The North American plants may prove, upon 
> further research, to be distinct from those of Argentina.... [NOTE: 
> /L. divaricata /is now considered to be the name of a South American 
> species, while /L. tridentata/ refers to the North America species 
> that was certainly the subject of this cited entry -- MMcG.] McMinn 
> HE; 1951; /An Illustrated Manual of California Shrubs/; Berkeley: 
> University of California Press.//
>
>  
>
> /*/Michael McGuffin/*/
>
> President, American Herbal Products Association
>
> 8630 Fenton Street, #918
>
> Silver Spring, MD 20910
>
> mmcguffin at ahpa.org <mailto:mmcguffin at ahpa.org>
>
> Phone in MD: 301-588-1171 x201
>
> Phone in CA: 310-745-8401
>
> ------------------------------------------------------------------------
>
> *From:* mpwg-bounces at lists.plantconservation.org 
> [mailto:mpwg-bounces at lists.plantconservation.org] *On Behalf Of 
> *Patricia_DeAngelis at fws.gov
> *Sent:* Thursday, June 18, 2009 12:49 PM
> *To:* mpwg at lists.plantconservation.org
> *Subject:* [MPWG] Fw: regarding posting on this list ~ Creosote
>
>  
>
>
> Forwarding a message from someone who's in the process of subscribing 
> to the list from a new account but wanted to respond. Read on...
>
> Patricia S. De Angelis, Ph.D.
> Botanist - Division of Scientific Authority
> Chair - Plant Conservation Alliance - Medicinal Plant Working Group
> US Fish & Wildlife Service
> 4401 N. Fairfax Dr., Suite 110
> Arlington, VA  22203
> 703-358-1708 x1753
> FAX: 703-358-2276
> Working for the conservation and sustainable use of our green natural 
> resources.
> <www.nps.gov/plants/medicinal>
>
> ----- Forwarded by Patricia De Angelis/ARL/R9/FWS/DOI on 06/18/2009 
> 03:46 PM -----
>
> *Eden <edensomberg at yahoo.com>*
>
> 06/18/2009 03:28 PM
>
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> Hi Elizabeth,
>
> I'm not the grad student you're looking for, but from what I 
> understand, Creosote (Larrea tridentata) is one of the most plentiful 
> plants in the American Southwest, to the point of being considered 
> invasive in some areas, and depending on how that amount is gathered 
> over a certain area I would imagine it to be quite sustainable. I did 
> find a reference for you:
>
> Whitson, T.D. (ed.) et al. 1996. Weeds of the West. Western Society of 
> Weed Science in cooperation with Cooperative Extension Services, 
> University of Wyoming. Laramie, Wyoming. 630pp.
>
> Best Regards,
> Eden
>
> --- On Thu, 6/18/09, Elizabeth Kirchner <ekirchner at aibs.org> wrote:
>
> > From: Elizabeth Kirchner <ekirchner at aibs.org>
> > Subject: [MPWG] Gila tribe uses native plants in new line of spa products
> > To: mpwg at lists.plantconservation.org
> > Date: Thursday, June 18, 2009, 7:59 AM
> > Hi,
> > Harvesting 100 pounds of "creosote brush" each month sounds
> > sustainable. Does anybody know, or is there a graduate
> > student somewhere studying, creosote ecology and how much
> > harvest is too much harvest?
> > Thanks and regards,
> > Liz
>
>
>
>      
>
> ------------------------------------------------------------------------
>
>
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