Abstract
Trisetum Pers. (tribe Aveneae) is revised for New Zealand. Nine indigenous species are recognised; eight are endemic, and T. spicatum occurs in alpine regions of both hemispheres. Four species, T. arduanum, T. drucei, T. lepidum, and T. serpen‐tinum, are described as new, and T. antacticum var. lasiorhachis is raised to specific rank as T. lasiorhachis.
Notes
Part 13 of a series for Flora of New Zealand Vol. 5: Gramineae by E. Edgar and H. E. Connor (in prep.). For Part 12 see Connor, H. E. New Zealand journal of botany 36: 329–367 (1998) on Festuca.