sp and spp?

Karl Roberts kr1 at PGSTUMAIL.PG.CC.MD.US
Tue Feb 18 07:51:34 EST 1997

In the literature, the abbreviation sp. is generally used to refer to a 
single species which is unknown. In reference to a larger group of species, 
spp. is used.

 On 16 Feb 1997 hbkg at hitel.kol.co.kr wrote:

> In an article, Bacillus sp. and Bacillus spp. can be found.
> By the way, what is the difference between sp. and spp.?

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