Classification
Class
Magnoliopsida Brongn.
Order
Poales Small
Family
Gramineae Juss.
Genus
Puccinellia Parl.
 Nomenclature
Scientific Name:
Puccinellia walkeri subsp. chathamica (Cheeseman) Edgar, New Zealand J. Bot. 34: 26-27 (1996)
Synonymy:
  • ≡ Atropis chathamica Cheeseman, Trans. New Zealand Inst. 53: 423 (1921)
  • ≡ Puccinellia chathamica (Cheeseman) Allan & Jansen, Trans. Roy. Soc. New Zealand 69: 266 (1939)
 Description

Plants (6)–10–40–(50) cm. Leaf-sheath light greenish brown, sometimes dark brown or purplish. Panicle 2–10–(13) × 0.5–1.5 cm; branches smooth, subacute-angled. Lemma apex minutely ciliate-scabrid, obtuse with slightly excurrent midnerve, very rarely entire; lemma usually 5-nerved, rarely 7-nerved. Palea keels scabrid in upper ⅓, very rarely slightly ciliate below, reaching only to apex.

[From: Edgar and Connor (2000) Flora of New Zealand. Volume 5 (second printing).]

 Biostatus
Indigenous (Endemic)
 Bibliography
Allan, H.H.; Jansen, P. 1939: Notes on the Puccinelliae of New Zealand. Transactions of the Royal Society of New Zealand 69: 265–269.
Cheeseman, T.F. 1921: New species of flowering-plants. Transactions of the New Zealand Institute 53: 423–425.
de Lange, P.J.; Norton, D.A.; Courtney, S.P.; Heenan, P.B.; Barkla, J.W.; Cameron, E.K.; Hitchmough, R.; Townsend, A.J. 2009: Threatened and uncommon plants of New Zealand (2008 revision). New Zealand Journal of Botany 47: 61–96. [as Puccinellia chathamica (Cheeseman) Allan & Jansen] [Naturally uncommon]
de Lange, P.J.; Norton, D.A.; Heenan, P.B.; Courtney, S.P.; Molloy, B.P.J.; Ogle, C.C.; Rance, B.D. 2004: Threatened and uncommon plants of New Zealand. New Zealand Journal of Botany 42(1): 45–76.
de Lange, P.J.; Rolfe, J.R.; Barkla J.W.; Courtney, S.P.; Champion, P.D.; Perrie, L.R.; Beadel, S.N.; Ford, K.A.; Breitwieser, I.; Schönberger, I.; Hindmarsh-Walls, R.; Heenan, P.B.; Ladley, K. 2018: Conservation status of New Zealand indigenous vascular plants, 2017. New Zealand Threat Classification Series. No. 22. [as Puccinellia chathamica (Cheeseman) Allan & Jansen] [Naturally Uncommon]
de Lange, P.J.; Rolfe, J.R.; Champion, P.D.; Courtney, S.P.; Heenan, P.B.; Barkla, J.W.; Cameron, E.K.; Norton, D.A.; Hitchmough, R.A. 2013: Conservation status of New Zealand indigenous vascular plants, 2012. New Zealand Threat Classification Series 3. Department of Conservation, Wellington. [as Puccinellia chathamica (Cheeseman) Allan & Jansen] [Naturally Uncommon]
Edgar, E. 1996: Puccinellia Parl. (Gramineae: Poeae) in New Zealand. New Zealand Journal of Botany 34: 17–32.
Edgar, E.; Connor, H.E. 2010: Flora of New Zealand Volume V Grasses. Edition 2. Manaaki Whenua Press.