Table 1. Moran’s I autocorrelation coefficient of the k-means clustering of the 100×100 km MGRS pixels across Europe based on their potential bryophyte species composition for different values of k and intensities of subsampling (no subsampling and subsampling at 20, 40 and 60%) of the most intensively prospected areas.

k	S = 20%	S = 40%	S = 60%	S = none
3	0.71	0.73	0.72	0.78
4	0.68	0.72	0.67	0.58
5	0.84	0.66	0.65	0.75
6	0.78	0.73	0.80	0.74
7	0.67	0.82	0.62	0.63
8	0.63	0.79	0.68	0.70
9	0.69	0.68	0.65	0.82
10	0.65	0.60	0.56	0.78