Tests for differences in allele frequencies of individual loci and over all loci.

Probabilities for a comparison of individual loci and over all loci at four localities computed by exact tests for population differentiation [50] to determine if there are significant differences in allele frequencies among life history stages of Amaranthus retroflexus, Carduus acanthoides and Pastinaca sativa. The analysis was carried out using TFPGA software [51]. – only one allele at the locus, i.e. the analysis was not performed.