It flowers from October to December and fruits from November to March.[4]
Conservation status
In both 2009 and 2012 it was deemed to be "At Risk - Naturally Uncommon" under the New Zealand Threat Classification System,[4] and this New Zealand classification was reaffirmed in 2018 (due to its restricted range).[2]
References
^ abHooker, J.D. (1845). "Bromus antarcticus". The Botany of the Antarctic Voyage of H.M. Discovery Ships Erebus and Terror in the Years 1839-1843 :under the Command of Captain Sir James Clark Ross. 1: 97. Plate LIV