[Partners-IMCWMA] [work] Re: invasive grass in vernal pools

[Tara Athan]

Peter- the "reference" was in a powerpoint presentation by Joe DiTomaso 
at the Cal-IPC conference as well as the TNC page 
http://tncweeds.ucdavis.edu/alert/alrtgly2.html.  There was no location 
given, or indication of the original source of the information.  I 
contacted Joe and he did not know the location referred to, but directed 
me to John Gerlach or you.  I don't have contact information for John 
Gerlach- do you?  If not I'll try to get it from Cal-IPC.

Tara

Warner, Peter wrote:
> Don't the references provide any indication of the site observed or
> documented?  The only "close" entry for Glyceria declinata in the SMASCH
> database is for Lake Co., in 1975, as "5 miles E., Hwy. 20, Lake
> Mendocino."  My interpretation of this poor record is that the location
> is 5 miles east of Lake Mendocino along Hwy. 20, which based on my guess
> at distance, is still in Mendocino Co., but very close to the county
> line either way.  Whether the Lake County entry is in error, the plant
> may have been present along Hwy. 20 in vernally wet areas.  If that's
> the case, then it may have been disturbed or eradicated during highway
> construction, or not.
>
> Peter J. Warner
> Environmental Scientist
> California Department of Parks & Recreation
> Mendocino District
> P. O. Box 440
> Mendocino, CA 95460
> (707) 937-9176
> Fax: (707) 937-2953
> pwarn at parks.ca.gov
> -----Original Message-----
> From: partners-bounces at imcwma.org [mailto:partners-bounces at imcwma.org]
> On Behalf Of Tara Athan
> Sent: Tuesday, July 31, 2007 6:05 PM
> To: IMCWMA partners
> Subject: [Partners-IMCWMA] invasive grass in vernal pools
>
> While researching invasive species that are not yet wide-spread in 
> Mendocino County, I have run across several references to the grass 
> Glyceria declinata (waxy mannagrass) occurring in vernal pools in 
> Mendocino County.  This is a Cal-IPC Moderate impacting a high-value 
> area (vernal pools contain rare species) which is potentially eradicable
>
> because the habitat is limited.  Hand weeding is said to be effective on
>
> small populations.
>
> Does anyone know the locations of Glyceria declinata in Mendocino
> County?
>
> If we can identify at least one specific location, we can propose this 
> project in the upcoming proposal.
>
> Thanks, Tara
>
>   


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Tara Athan
Coordinator, Inland Mendocino Cooperative Weed Management Area
coord at imcwma.org
707-485-1198
PO Box 415
Redwood Valley, CA 95470