TABLE 1.

Core microbiome ASVs detected in the phyllosphere endophytic community of poplar plants inhabiting hot-dry, mid hot-dry and moist-cool climatic zones.

Climatic zone	Sequence variant ID	Occurrence	Taxonomy1	Number of samples	Relative abundance (%)
Mid hot-dry (n = 9)	ASV5	1.00	Pseudomonas	9	2.11–12.65
	ASV428	1.00	Pseudomonas	9	1.33–12.26
	ASV17	1.00	Enterobacteriaceae	9	4.35–38.84
	ASV1	0.89	Enterobacteriaceae	8	0.56–51.09
	ASV11	0.67	Pseudomonas	6	0.09–29.55
	ASV2	0.67	Pseudomonas	6	0.1–4.71
	ASV8	0.67	Duganella	6	0.0–12.35
	ASV147	0.67	Sphingobium	6	0.0–4.42
	ASV233	0.55	Pseudomonas	5	0.0–19.07
Hot-dry (n = 10)	ASV5	0.90	Pseudomonas	9	0.72–45.67
	ASV1	0.80	Enterobacteriaceae	8	0.0–49.93
	ASV2	0.60	Pseudomonas	6	0.0–28.53
	ASV354	0.50	Enterobacteriaceae	5	0.0–22.56
Moist-cool (n = 15)	ASV17	1.00	Enterobacteriaceae	15	9.84–44.98
	ASV5	0.93	Pseudomonas	14	0.44–53.36
	ASV439	0.80	Pectobacterium	12	0.0–22.48
	ASV1	0.73	Enterobacteriaceae	11	0.0–15.10
	ASV41	0.73	Xanthomonas	11	0.07–12.72
	ASV233	0.67	Pseudomonas	10	0.0–16.08
	ASV8	0.53	Duganella	8	0.0–6.33

¹Full taxonomy lineage is reported in Supplementary Table S4.