[Taxacom] OMG! DNA only descriptions (with one habitus photo)!

Stephen Thorpe stephen_thorpe at yahoo.co.nz
Fri Jul 26 16:41:37 CDT 2019


 Thomas,
I was in a bit of a hurry when I sent my last reply to your attempted reinterpretation of the Code so as to allow the DNA only approach, but here is my more considered view: While it is obviously true that abbreviations are shortened forms of words, and therefore arguably also themselves words, it is also true that T, for example, is not an abbreviation for thymine, but rather the symbol for thymine, in the same way that H is the chemical symbol for hydrogen. Symbols are arguably not words.It is also not relevant that the paper makes a general verbal comment in regard to what KIND of characters will be used to differentiate species. The code requires that the actual differentiating characters be stated in words. Otherwise authors could get away with saying something like "the diagnostic characters used to differentiate species are those which are most obvious in the illustrations". Clearly, this would not be considered to be code compliant!If the commission has any integrity left, it will declare this work to be unavailable, as there is wiggle room in the code to do so (as above) and it needs to be done as the work only adds to instability by possibly renaming already described taxa using a different kind of character that will be difficult to reconcile with earlier descriptions in the genus, thus multiplying names unnecessarily and giving a possibly false impression of biodiversity in the group. We simply cannot allow authors to disregard already described species in a group and start naming everything as if it were new!Cheers,Stephen    On Friday, 26 July 2019, 05:02:29 pm UTC, Adolf Ceska via Taxacom <taxacom at mailman.nhm.ku.edu> wrote:  
 
 Fungus Rhizopogon kretzerae was described as a new species only from its DNA sequence. Furthermore, the DNA was isolated from the root tips of pine, Pinus ponderosa
See http://bomi.ou.edu/ben/ben516.html & http://bomi.ou.edu/ben/516/ben_dxvi_plate.pdf (Plate 3) for details.

Adolf Ceska,Victoria, BC, Canada

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