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Species number

Hi BIll 
There is hardly any disagreement about the scientist about the 
number of  23 species Only amateurs have that problem. Of course 
when in doubt species names must not be used.  I agree that 
seedlings even if they seem good species should have only a 
cultivar name. However there are many cases were a sport of a 
species is just given a cultivar name That really is a loss of 
Ben J.M.Zonneveld
Institute of Biology,Leiden University, Clusius lab 
Wassenaarse weg 64, 2333 AL Leiden, The Netherlands
Fax: +31-71-5274999. min temp -10C (15F)

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