Posts written by Leon Perrie

Floor talk about Te Papa’s science

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Would you like to know more about the scientific research carried out by Te Papa? Our natural history research programme encompasses tiny invertebrates to plants, and spans the ocean depths to high-flying birds. For those in Wellington, Science Curator Leon Perrie will give a floor talk in the DeCLASSIFIED! exhibition space on Thursday 2nd April,… Read more »

Spider citizen science for schools and Early Childhood Centres

Black tunnelweb spider, Porrhothele antipodiana. Wellington, 14 January 2015. Photo © Tony Wills CC BY-SA. http://naturewatch.org.nz/observations/1180262

If your school or Early Childhood Centre contributes a photo of a spider (or fern) to our citizen science projects, we’ll include the photo in Te Papa’s DeCLASSIFIED! exhibition*. More on the exhibition DeCLASSIFIED! Nature’s secrets exposed at Te Papa. * provided the contributed photo has a Creative Commons licence. It is a nice way… Read more »

New Flora treatments online, including hairy tree ferns and fork ferns

The fork ferns Tmesipteris tannensis (left) and Tmesipteris elongata (right) are amongst the species covered in the just-published eFloraNZ treatments. Fork ferns are often found growing on the trunks of tree ferns. Photo © Leon Perrie

New electronic Flora of New Zealand (eFloraNZ) treatments have just been published for six fern families in New Zealand.   The new treatments include the hairy tree ferns, Dicksonia, and the fork ferns, Tmesipteris. Each eFloraNZ treatment is a definitive, peer-reviewed account of a group of plants. eFloraNZ treatment for the Dicksoniaceae (the hairy tree ferns, including whekī… Read more »

The DeCLASSIFIED! citizen science projects have been running for nearly three months. These projects are an opportunity to learn spiders and ferns with Te Papa’s experts, and to help us with our research. The Ferns with Te Papa project has gathered up more than 920 observations from 59 contributors. 365 of these observations have been… Read more »

Help us make discoveries

Garden two-spined spider, Poecilopachus australasia. Auckland. rfdawn CC BY-NC

Interested in the ‘outdoors’? Want to learn more about the animals and plants around you? Want to make discoveries? Perhaps even find a new species? Want to help (1) Te Papa with its scientific research and (2) New Zealand better understand and manage its biodiversity? Sounds like the citizen science projects accompanying the DeCLASSIFIED! exhibition… Read more »

Tangle ferns untangled

The undersides of the four species of Gleichenia tangle fern accepted for New Zealand. From top: alpine tangle fern, Gleichenia alpina; tangle fern, waewae-kötuku, Gleichenia dicarpa; pitted tangle fern, Gleichenia inclusisora; carrier tangle, matua-rarauhe, Gleichenia microphylla. Scale bar = 2 cm. Composite image © Te Papa.

A focus for my research in 2014 has been preparing an account on the Gleicheniaceae fern family for the online Flora of New Zealand. More on the revolutionary online Flora of New Zealand. The Gleicheniaceae in New Zealand comprises nine species in the genera Dicranopteris (one species, restricted to central North Island thermal areas), Gleichenia… Read more »

Te Papa’s Science Showcased

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The exhibition DeCLASSIFIED! Nature’s secrets exposed at Te Papa has just opened. It showcases recent discoveries by Te Papa’s scientists. Find out more about DeCLASSIFIED! Nature’s secrets exposed on Te Papa’s website. There are species new to science – from fish to landhoppers, seaweeds, lice, ferns, and fossil parrots. Other discoveries include newly documented behaviours…. Read more »

A new tree fern

The newly recognised Dicksonia lanata subsp. hispida. Fairly common in the northern North Island, usually in kauri forests. Photo Leon Perrie. © Te Papa.

New Zealand has a new tree fern – kind of. Te Papa Research Fellow Patrick Brownsey and I have recently recognised a subspecies within the stumpy tree fern, tuokura, Dicksonia lanata.  The new name is Dicksonia lanata subspecies hispida.  It is only kind of a new tree fern, as it was first recognised as something different… Read more »

Help hunt for kakabeak

Kakabeak (kowhai ngutu-kākā, Clianthus maximus) in cultivation in Wellington. Photo © Leon Perrie.

If you’re on the east coast of the North Island during this spring and summer, the Department of Conservation would like your help! Please look out for wild plants of the striking, red-flowered kakabeak. Department of Conservation’s blog post “Keep an eye out for kakabeak”. Kakabeak (kowhai ngutu-kākā, Clianthus maximus) is now Critically Endangered. Its… Read more »

Subtropical tree fern challenge

  • 1 C. Reproductive structures of Cyathea milnei, from the Kermadec Islands, in cultivation at Otari-Wilton’s Bush, Wellington. Photo Leon Perrie. © Te Papa.
  • 1 B. Cyathea milnei, from the Kermadec Islands, in cultivation at Otari-Wilton’s Bush, Wellington. Photo Leon Perrie. © Te Papa.
  • 1 A. Cyathea milnei, from the Kermadec Islands, in cultivation at Otari-Wilton’s Bush, Wellington. Photo Leon Perrie. © Te Papa.
  • 2 A. Cyathea kermadecensis, from the Kermadec Islands, in cultivation at Otari-Wilton’s Bush, Wellington. Photo Leon Perrie. © Te Papa.

I spent yesterday afternoon in the fernery of Otari-Wilton’s Bush, examining two tree fern species from New Zealand’s subtropical Kermadec Islands. More details below, including ‘why?’. But first, a challenge… Each of these Kermadec tree ferns is closely related to a (different) mainland New Zealand species. Can you tell which mainland species? One of the… Read more »