Table 3. Frequencies of occurrence for leaf endophytic fungal taxa exhibiting significant chi-square results.

	Poaceae		Asteraceae		Amaranthaceae	Brassicaceae
OTU	Bromus tectorum	Elymus elymoides	Chrysothamnus depressus	Artemisia tridentata	Atriplex canescens	Alyssum alyssoides	Significantly different among families	Significantly different among species
Unknown Pleosporales 1	15	15	13	14	7	6	X	X
Unknown Lecanorales 2	14	15	12	13	8	12	X
Clavispora lusitaniae	14	15	3	5	1	0	X	X
Tetracladium sp. 1	14	12	10	12	8	5	X	X
Coprinopsis brunneofibrillosa	13	14	10	11	3	9	X	X
Unknown Lecanorales 1	13	13	13	13	1	1	X	X
Unknown Pleosporales 2	12	12	13	13	6	15	X	X
Saccharomyces paradoxus	12	11	11	14	6	3	X	X
Unknown Phaeosphaeriaceae 1	10	13	10	15	3	15	X	X
Neocamarosporium sp.1	8	11	4	5	13	6	X	X
Unknown Pleosporales 10	8	9	8	9	6	15	X
Limonomyces culmigenus	8	8	11	9	2	15	X	X
Unknown Pezizaceae	8	8	4	3	8	0	X	X
Unknown Sporormiaceae	8	8	1	1	10	8	X	X
Ramimonilia apicalis	5	8	8	8	9	15	X	X
Unknown Pleosporales 11	4	5	0	1	1	0	X
Unknown Pleosporales 12	4	0	0	0	0	0		X
Comoclathris spartii	3	7	4	5	4	14	X	X
Unknown Pleosporales 3	3	5	6	6	4	14	X	X
Marchandiomyces lignicola	3	4	1	1	2	10	X	X
Dioszegia hungarica	3	3	8	6	0	15	X	X
Naganishia cerealis	3	2	0	0	7	1	X	X
Unknown Pleosporales 4	3	0	0	0	7	12	X	X
Unknown Pleosporales 13	3	0	0	0	0	0		X
Neocamarosporium sp. 2	3	0	0	0	0	0		X
Dioszegia sp.	2	3	3	2	2	10	X	X
Filobasidium magnum	2	1	0	2	6	8	X	X
Sporormiella leporina	2	1	0	0	6	0	X	X
Unknown Phaeosphaeriaceae 2	1	5	5	7	0	14	X	X
Septoriella hirta	1	3	3	2	0	10	X	X
Dioszegia sp.	1	3	0	0	6	0	X	X
Alternaria alternata	1	2	2	2	3	12	X	X
Unknown Pleosporales 5	1	2	1	3	7	0	X	X
Comoclathris sedi	1	2	0	3	7	11	X	X
Megaspora cretacea	1	0	0	1	5	0	X	X
Unknown Phaeosphaeriaceae 3	1	0	0	0	4	0	X	X
Unknown Phaeosphaeriaceae 4	0	4	0	0	0	0		X
Unknown Phaeosphaeriaceae 5	0	4	0	0	0	0		X
Comoclathris spartii	0	4	0	0	0	0		X
Unknown Pleosporales 14	0	3	0	0	0	4		X
Unknown Lecanorales 3	0	3	0	0	0	0		X
Tetracladium sp. 2	0	3	0	0	0	0		X
Unknown Verrucariaceae	0	1	0	0	5	0	X	X
Chaetosphaeronema sp.	0	0	0	1	4	0	X	X
Powellomyces sp. 2	0	0	0	0	8	0	X	X
Unknown Agaricales	0	0	0	0	5	1	X	X
Malassezia globosa	0	0	0	0	5	1	X	X
Unknown Lophiostomataceae	0	0	0	0	4	0	X	X
Protrudomyces lateralis	0	0	0	0	4	0	X	X
Powellomyces sp. 1	0	0	0	0	4	0	X	X
Gibberella tricincta	0	0	0	0	3	0	X	X
Schizothecium carpinicola	0	0	0	0	3	0	X	X
Unknown Melanommataceae	0	0	0	0	3	0	X	X
Peziza sp.	0	0	0	0	3	0	X	X
Unknown Pleosporales 7	0	0	0	0	3	0	X	X
Coniosporium apollinis	0	0	0	0	3	0	X	X
Unknown Pleosporales 8	0	0	0	0	3	0	X	X
Circinaria hispida	0	0	0	0	3	0	X	X
Unknown Ustilaginales	0	0	0	0	3	0	X	X
Filobasidium stepposum	0	0	0	0	3	0	X	X
Rhizophlyctis rosea	0	0	0	0	3	0	X	X
Spizellomyces sp.	0	0	0	0	3	0	X	X
Kochiomyces sp.	0	0	0	0	3	0	X	X
Mortierella alpina	0	0	0	0	3	0	X	X
Vishniacozyma dimennae	0	0	0	0	1	5	X	X
Unknown Pleosporales 6	0	0	0	0	0	8	X	X
Unknown Agaricomycetes	0	0	0	0	0	5	X	X
Phoma aloes	0	0	0	0	0	4	X	X
Unknown Pleosporales 9	0	0	0	0	0	3	X	X
Phaeococcomyces mexicanus	0	0	0	0	0	3	X	X
Cyrenella elegans	0	0	0	0	0	3	X	X