Table 2.

Percentage of identity, as measured by the BLAST algorithm, at different taxonomic levels (inter/intra), and proportion of incorrect assignment of sequences at the specific and generic level (see text for details).

DNA regions	taxonomic levels	identity (%)	wrong assignment (%)
first occurrence	last occurrence
ITS1+5.8S+ITS2	species	95.75/97.20	6.59	45.73
genus	94.95/95.65	0.30	43.66
family	94.35/95.24
order	92.98/93.12
ITS1+5.8S	species	97.24/97.43	0.84	43.65
genus	94.69/95.76	0	40.30
family	93.02/94.27
order	92.07/92.54
5.8S+ITS2	species	95.48/97.21	3.57	40.77
genus	93.50/93.72	0.90	34.66
family	91.38/93.21
order	90.75/91.79
ITS1+ITS2	species	95.16/96.08	0.47	49.86
genus	93.98/94.42	1.13	46.28
family	93.20/92.03
order	91.86/92.09
ITS1	species	96.43/96.72	1.11	6.79
genus	93.39/95.77	0.02	39.64
family	91.69/92.51
order	91.11/91.34
ITS2	species	93.98/95.28	7.08	33.70
genus	93.78/93.10	0.10	51.68
family	91.79/89.46
order	88.89/89.24
5.8S	species	97.18/99.80	32.76	62.94
genus	96.30/98.45	36.04	64.62
family	95.32/97.25
order	93.25/95.28
rbcL	species	97.62/99.73	3.69	16.95
genus	95.75/97.13	0.23	67.71
family	91.43/95.92
order	88.81/92.65