Nationally Critical
The Department of Conservation 'Nationally Critical' category of rare and threatened species is defined as:
"A taxon is Nationally Critical when available scientific evidence indicates that it meets any of the following three criteria:
- The total population size is <250 mature individuals.
- Human influences have resulted in <2 sub-populations, and either <200 mature individuals in the largest sub-population, or, the total area of accupancy is <1 ha.
- There is a predicted decline of >80% in the total population in the next 10 years due to existing threats."
The species in this table all have large, easily collected, and distinctive fruiting bodies, hence excluding most micro-fungi This bias reflects the limitations of current knowledge of micro-fungi.
Fungus Name | Link to NZFUNGI database | Collections in Herb. PDD | Rarity assessment | Recorded from 1 or more Crosby district |
Austrogaster novaezelandiae | ![]() |
0 | Nationally Critical | 1 |
Berggrenia cyclospora | ![]() |
1 | Nationally Critical | 1 |
Cantharellus elsae | ![]() |
0 | Nationally Critical | 1 |
Chlorovibrissea bicolor | ![]() |
1 | Nationally Critical | 1 |
Chlorovibrissea melanochlora | ![]() |
1 | Nationally Critical | 1 |
Chlorovibrissea tasmanica | ![]() |
1 | Nationally Critical | 1 |
Claustula fischeri | ![]() |
1 | Nationally Critical | 1 |
Cordierites acanthophora | ![]() |
3 | Nationally Critical | 1 |
Ganoderma sp. | 3 | Nationally Critical | 1 | |
Gomphus dingleyae | ![]() |
1 | Nationally Critical | 1 |
Gomphus novaezelandiae | ![]() |
1 | Nationally Critical | 1 |
Gyroporus castaneus | ![]() |
3 | Nationally Critical | 1 |
Hysterangium youngii | ![]() |
1 | Nationally Critical | 1 |
Lactarius maruiaensis | ![]() |
1 | Nationally Critical | 1 |
Phanerochaete citrina | ![]() |
1 | Nationally Critical | 1 |
Phanerochaete corymbata | ![]() |
1 | Nationally Critical | 1 |
Phanerochaete luteoaurantiaca | ![]() |
1 | Nationally Critical | 1 |
Polyporus septosporus | ![]() |
3 | Nationally Critical | 1 |
Puccinia embergeriae | ![]() |
3 | Nationally Critical | 1 |
Puccinia freycinetiae | ![]() |
1 | Nationally Critical | 1 |
Ramaria aureorhiza | ![]() |
1 | Nationally Critical | 1 |
Ramaria avellaneovertex | ![]() |
1 | Nationally Critical | 1 |
Ramaria basirobusta | ![]() |
1 | Nationally Critical | 1 |
Ramaria junquilleovertex | ![]() |
1 | Nationally Critical | 1 |
Ramaria piedmontiana | ![]() |
1 | Nationally Critical | 1 |
Ramariopsis avellanea | ![]() |
1 | Nationally Critical | 1 |
Ramariopsis avellaneoinversa | ![]() |
1 | Nationally Critical | 1 |
Ramariopsis tortuosa | ![]() |
1 | Nationally Critical | 1 |
Russula inquinata | ![]() |
2 | Nationally Critical | 1 |
Russula littoralis | ![]() |
2 | Nationally Critical | 1 |
Russula miniata | ![]() |
1 | Nationally Critical | 1 |
Russula papakaiensis | ![]() |
2 | Nationally Critical | 1 |
Russula pleurogena | ![]() |
0 | Nationally Critical | 1 |
Russula solitaria | ![]() |
1 | Nationally Critical | 1 |
Squamanita squarrulosa | ![]() |
2 | Nationally Critical | 1 |
Thaxterogaster cartilagineus | ![]() |
1 | Nationally Critical | 1 |
Uredo chathamica | ![]() |
6 | Nationally Critical | 1 |
Volvariella surrecta | ![]() |
1 | Nationally Critical | 1 |
Xylaria wellingtonensis | ![]() |
1 | Nationally Critical | 1 |
Xylaria zealandica | ![]() |
1 | Nationally Critical | 1 |
Chalciporus aurantiacus | ![]() |
0 | Nationally Critical | >1 |
Colpoma nothofagi | ![]() |
2 | Nationally Critical | >1 |
Dichomitus newhookii | ![]() |
2 | Nationally Critical | >1 |
Inonotus chondromyelus | ![]() |
3 | Nationally Critical | >1 |
Phallobata alba | ![]() |
3 | Nationally Critical | >1 |
Russula vivida | ![]() |
1 | Nationally Critical | >1 |
Sarcosoma orientale | ![]() |
1 | Nationally Critical | >1 |
Undescribed genus (Trichocomaceae) | 2 | Nationally Critical | >1 | |
Uredo salicorniae | ![]() |
2 | Nationally Critical | >1 |