PDD 106815 – Geastrum sp. 'Ashhurst (PDD 106815)' J.A. Cooper ined.
Data provider:
New Zealand Fungarium - Te Kohinga Hekaheka o Aotearoa
Barcode:
PDD 106815
Specimen type:
Packet
Database record added:
13 November 2018
Database record updated:
17 May 2023
Components
Primary component
Active identification
Determined name:
Geastrum sp. 'Ashhurst (PDD 106815)'
Determiner:
J.A. Cooper
Identification date:
2023 (Verbatim: 2023)
Preferred name:
Geastrum sp. 'Ashhurst (PDD 106815)' J.A. Cooper ined.
Division:
Basidiomycota
Class:
Agaricomycetes
Order:
Geastrales
Family:
Geastraceae
Identification type:
Determination
Substrate:
soil
Other identifications
Identification
Determined name:
Radiigera
Determiner:
J.A. Cooper
Identification date:
2018-02-11 (Verbatim: 2018/02/11)
Preferred name:
Geastrum Pers.
Active:
no
Identification type:
Determination
Identification
Determined name:
Geastrum
Determiner:
J.A. Cooper
Identification date:
2018 (Verbatim: 2018)
Preferred name:
Geastrum Pers.
Active:
no
Identification type:
Determination
Identification
Determined name:
Geastrum minutisporum aff.
Determiner:
J.A. Cooper
Identification date:
2019 (Verbatim: 2019)
Preferred name:
Geastrum minutisporum Hern. Caff. & L.S. Domıinguez
Active:
no
Identification type:
Determination
Collection events
Primary collection event
Collection event type:
Field
Standard locality
Location:
Ashhurst Domain, Ashhurst,
Verbatim locality:
Ashhurst Domain, Ashhurst,
Verbatim collector:
G. Smith
Standardised collector:
Grey Smith
Verbatim date:
2018/1/25
Start date:
2018-01-25
Country:
New Zealand
New Zealand Area Codes:
Wanganui
Native lands:
Ngāti Kahungunu
Ngāti Raukawa ki te Tonga
Rangitāne
Georeferences:
Latitude and Longitude (WGS84):
-40.302636 175.759234
Habitat:
Podocarp forest
Specimen notes
Public Note:
[GS] Small puffball-like fungi growing on the ground in broadleaf-podocarp forest. Up to 15 mm in diameter, reddish-brown with a rough outer surface and white and spongy inside. [JAC] From material: your instinct about this being odd was correct. From the dried fruitbodies you can see that they are all onion-shaped, with a pronounced but small beak (not obvious in your photos). That immediately suggests the immature fruitbodies of a Geastrum, especially given the white colour of the gleba in your cross-section photo. However, you also included (fortunately) a mature specimen with dark chocolate coloured gleba, but there are no outer rays as in a normal Geastrum. It has a 4-layered peridium, with a well developed fibrous layer, and microscopically it has very small verucose spores, 2.5um diam, and no pedicel, along with the recogniseable capillitial threads of a Geastrum (which is not like lycoperdaceae). I believe this is a Radiigera, i.e. a sequestrate Geastrum (that never open up and has no apical pore). If so I don't think it is the relatively well-known R. taylorii or R. fuscogleba with much larger spores. It seems close to descriptions of a poorly known species from South America. There are none known to-date from NZ. Phylogenetically Radiigera has been shown to fit within Geastrum. The immature white gleba is packed with immature(?) spores. DNA sample taken from that.
G. Smith, J.A. Cooper
G. Smith, J.A. Cooper
External links
iNaturalist:
Assigned reference numbers
JA Cooper Fungarium:
JAC14760
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