A new list of vascular plants for Whenua Hou/Codfish Island with notes on that island's floraNewsletter
Barkla, J., 2021, Trilepidea. Expand
Barkla, J., 2021, Trilepidea. Expand
Barkla, J., 2022, Trilepedia. Expand
de Lange, P.; Rolfe, J.; Champion, P.; Courtney, S.; Heenan, P.; Barkla, J.; Cameron, E.; Norton, D.; Hitchmough, R., 2012, New Zealand Threat Classification Series. Expand
de Lange, P.J.; Gosden, J.; Courtney, S.P.; Fergus, A.J.; Barkla, J.W.; Beadel, S.M.; Champion, P.D.; Hindmarsh-Walls, R.; Makan, T.; Michel, P., 2024, New Zealand Threat Classification Series. Expand
Barkla, J., 2023, Trilepedia. Expand
Jarvie, S., Barkla, J., Rance, B., Rogers, G., Ewans, R., Thorsen, M., 2024, Otago Threat Classification Series. Expand
Barkla, J., 2011, Trilepidea No. 88: March 2011. Expand
de Lange, P.J.; Norton, D.A.; Courtney, S.P.; Heenan, P.B.; Barkla, J.W.; Cameron, E.K.; Hitchmough, R.; Twonsend, A.J., 2009, New Zealand Journal of Botany. Expand