Olearia lyallii explained

Olearia lyallii is a New Zealand plant from the genus Olearia. It is commonly known as the subantarctic tree daisy. The species is endemic to the Snares Islands and southern New Zealand, and has also established itself as an introduced species on the Auckland Islands, whence the type specimen was described.^[1] O. lyallii forms trees up to 10 m tall with trunks 50 cm in diameter.^[2]

Notes and References

1. Campbell, D & Rudge, M (1976) "The case for controlling the distribution of the tree daisy Olearia lyallii Hook. F. in its type locality, Auckland Islands" Proceedings of the New Zealand Ecological Society 23 109-115 http://www.newzealandecology.org/nzje/free_issues/ProNZES23_109.pdf
2. Cockayne B.. 1903. A Botanical Excursion during Midwinter to the Southern Islands of New Zealand. Transactions and Proceedings of the Royal Society of New Zealand. 36. 225–333.