Methylotrophic methanogenic archaea.
Isolated from a rumen sample collected from a ruminally fistulated wether sheep grazed on a perennial ryegrass (Lolium perenne) and white clover (Trifolium repens) mixed pasture in New Zealand (-40 deg 21 min 22.90 sec S, 175 deg 36 min 40.07 sec E).