Which of the following has haplontic life cycle ?
Polytrichum
Ustilago
Wheat
Funaria
Life cycle of Funaria and Polytrichum is haplo-diplontic while life cycle of wheat is diplontic.
Ustilago shows haplontic life cycle in which the dominant phase is haploid (gametophyte) while the diploid phase (sporophyte) is represented by zygote.