Table 1. Distribution of small RNAs among different categories in P. yezoensis.

Category	Unique RNAs	Percent (%)	Total RNAs	Percent (%)
Total small RNAs	3,425,015	100.00	973,8608	100.00
miRNA	13,324	0.39	106,085	1.09
rRNA	60,472	1.77	639,339	6.56
snRNA	239	0.01	1,803	0.02
snoRNA	246	0.01	610	0.01
tRNA	20,841	0.61	155,483	1.60
Unannotated	3,329,893	97.22	8,835,288	90.72