TABLE 1.

Known sexual reproduction modes and mating-type genes of species in Morchella and the approximate number of nuclei in their ascospores

Clades	Species	MAT1-1-1	MAT1-1-10	MAT1-1-11	MAT1-2-1	Heterothallism	Pseudohomothallism	Unisexual reproduction	No. of nuclei per ascospore
Rufobrunnea clade	M. rufobrunnea	√a	Ub	U	√	U	U	U	U
Elata clade	M. tridentina	√	×c	×	√	√	U	U	N ≥ 10
	M. semilibera	√	×	×	√	√	U	U	N ≥ 6
	M. sextelata	√	√	√	√	√	√	U	N ≥ 4
	M. eximia	√	√	√	√	√	U	√	N ≥ 6
	M. exuberans	√	√	√	√	√	U	U	N ≥ 6
	M. importuna	√	√	√	√	√	√	√	N ≥ 6
	Morchella sp. Mel-13	√	√	×	√	√	U	√	N ≥ 10
	Morchella sp. Mel-14	√	√	√	√	√	U	U	N ≥ 6
	M. eximioides	√	√	√	√	√	U	√	N ≥ 6
	M. eohespera	√	√	×	√	√	U	√	N ≥ 10
	M. purpurascens	√	×	×	√	√	U	U	N ≥ 6
	Morchella sp. Mel-21	√	√	×	√	√	U	U	N ≥ 6
	M. dunalii	√	×	×	√	√	U	U	N ≥ 6
	M. pulchella	√	√	×	√	√	U	U	N ≥ 6
	M. snyderi	√	√	√	√	√	U	U	U
	Morchella sp. Mes-6	√	√	/d	√	√	U	U	N = 2/4/6/8/≥10
Esculenta Clade	Morchella sp. Mes-9	√	√	/	√	√	U	U	N = 2/4/6/8/≥10
	Morchella sp. Mes-10	√	√	/	√	√	U	U	N ≥ 10
	Morchella sp. Mes-15	√	√	/	√	√	√	U	N ≥ 10
	Morchella sp. Mes-19	√	√	/	√	√	U	U	N = 2/4/6/8/≥10
	Morchella sp. Mes-20	√	√	/	√	√	U	U	N = 2/4/6/8/≥10
	Morchella sp. Mes-21	√	√	/	√	√	U	U	N = 2/4/6/8/≥10
	Morchella sp. Mes-22	√	√	/	√	√	U	U	N = 2/4/6/8/≥10
	Morchella sp. Mes-23	√	√	/	√	√	U	U	N = 2/4/6/8/≥10
	Morchella sp. Mes-24	√	√	/	√	U	U	U	U
	Morchella sp. Mes-25	√	√	/	√	√	U	U	N ≥ 10
	Morchella sp. Mes-26	√	√	/	√	√	U	U	N ≥ 10
	Morchella sp. Mes-27	√	√	/	√	U	U	U	U
	M. americana	√	√	/	√	√	U	U	N ≥ 10
	M. clivicola	√	√	/	√	√	U	U	N ≥ 10
	M. dunensis	√	√	/	√	√	U	U	N = 2/4/6/8/≥10
	M. esculenta	√	√	/	√	√	U	U	N = 2/4/6/8/≥10
	M. galilaea	√	√	/	√	√	U	U	N ≥ 20
	M. palazonii	√	√	/	√	√	U	U	N ≥ 10
	M. steppicola	√	√	/	√	U	U	U	U
	M. yangii	√	√	/	√	√	U	U	N = 2/4/6/8/≥10
	M. yishuica	√	√	/	√	√	U	U	N ≥ 10

^a√, gene or sexual reproduction mode was reported in the species.

^bU, gene, sexual reproduction mode, or number of nuclei per ascospore was not reported in the species so far.

^c×, gene was not detected in the species by performing PCR amplification.

^d/, analysis of MAT1-1-11 was not applied in the species.