You might try the following two sources

Hurcombe, L. (2007). Plant Processing for Cordage and Textiles Using 
Serrated Flint Edges: New chaines operatoirse suggested by combining 
ethnographic, archaeological, and experimental evidence for bast fiber 
processing. Plant processing from a prehistoric and ethnographic 
perspective V. Beugnier and P. Crombé. Oxford, Archaeopress: 41-66.

Hurcombe, L. (2008). "Organics from inorganics: using experimental 
archaeology as a research tool for studying perishable material 
culture." World Archaeology 40(1): 83-115.

I am not sure what pieces she directly addresses, but the bibliographies 
may be of value to you.

Thadd Nelson
Stony Brook University

On 11/18/2010 6:59 AM, Gesine Klaffke wrote:
> Dear all,
>
> I´m a student at the University of Applied Arts in Germany and I am 
> working on an essay about the history of nettle (Urtica dioica) 
> objects in Europe.
>
> It is really difficult to find published objects. I found a few things 
> in the scandinavian region and from switzerland but apart from that 
> there are not so many object.
>
> Do you have objects in your museums or are you aware of one?
>
> I am hoping for your help.
>
> Sincerely yours
>
> Gesine Klaffke
>