Might try Cheryl Beyer of USFS, she’s put data into Caflora for the Modoc NF in 2014. http://www.calflora.org/cgi-bin/species_query.cgi?where-taxon=Ranunculus+testiculatus

 

http://www.calflora.org/dmap/7060.jpg

 

From: calweedtalk-manager@simplelists.com [mailto:calweedtalk-manager@simplelists.com] On Behalf Of Thiel, Richard
Sent: Monday, February 02, 2015 2:16 PM
To: calweedtalk@simplelists.com
Subject: CalWeedTalk Bur buttercup (Ranunculus testiculatus) -- Anybody dealing with it?

 

Also goes by the name, Ceratocephala testiculata. I see much, very basic, information about it online. 

 

We have it in one isolated area in SEKI, but is widespread in that area. Potential toxicity to bighorn sheep is also a concern, but am not finding anything concrete about that. The challenge for us is to get to it soon enough and quickly enough in the late winter/early spring (4500-5000 feet elevation) to be effective in the long run. Interested in any tips or lessons learned from those with experience with control or biology of this plant, including length of seed viability.

 

Thanks!

 

--

Rich Thiel

Biological Tech (Supervisor)

Sequoia and Kings Canyon NP, CA

(559) 565-4476

California Invasive Plant Council, www.cal-ipc.org
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