 The study reveals that mushrooms of the deadly ammonitaphaloids can be homo-karyotic, meaning they reproduce by single, unmated individuals, and their genotypes are also found in hetero-karyotic mushrooms, suggesting nuclei of homo-karyotic mycelia are involved in outcrossing. The development of homo-karyotic mushrooms appears to bypass mating-type gene control, enabling sporulation by nuclei able to reproduce alone, as well as with others, and nuclei competent for both unisexuality and bisexuality have persisted in invaded habitats for at least 17, but potentially as long as 30 years. The diverse reproductive strategies of invasive death caps are likely facilitating its rapid spread, suggesting a profound similarity between plant, animal and fungal invasions. This article was offered by Yenwen Wang, Megan C. McKeehan, Holly Elmo, and others.