Landcare Research - Manaaki Whenua

Landcare-Research -Manaaki Whenua

NZ Grass Key – key to the grasses of New Zealand

<em>Chionochloa teretifolia</em>, Hunter Mountains, Fiordland. Image – Kerry Ford

The key includes 442 species and 4 hybrid taxa of indigenous and naturalised grasses of New Zealand.

Kerry Ford, David Glenny and Trevor James

This Lucid 3 key is illustrated with more than 3094 images and is connected by hyperlinks at the species level to the digitised version of the Grass Flora and Ngā Tipu o Aotearoa - New Zealand Plants (a database derived from the New Zealand Plant Names database and the Allan Herbarium Specimen database).

Landcare Research acknowledges the financial assistance of the Terrestrial and Freshwater Biodiversity Information System (TFBIS) Programme towards the preparation of this identification key.  The TFBIS Programme is funded by the Government to help to achieve the goals of the New Zealand Biodiversity Strategy, and is administered by the Department of Conservation.

TFBIS have provided current funding to create app versions of this key for smartphones and tablets.




System requirements

Java Virtual Machine (JVM) is required to run this key. You can download the most up-to-date version at

Chrome users: to enable the Java plug-in for the latest version of the Chrome browser, please follow these configuration steps:

  1. In your URL bar of Chrome, enter:
  2. Click the Enable link for the Enable NPAPI configuration option.
  3. Click the Relaunch button that now appears at the bottom of the configuration page.

This will relaunch Chrome and allow the key to run. Alternatively, run the key in an alternative web browser such as Firefox, Internet Explorer or Safari.


Ford KA, Glenny D, James T 2007. NZ Grass Key – key to the grasses of New Zealand.
Accessed at
Date of access: 07 Oct 2015