Fungi Habitats
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Habitats
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Many fungi have preferred habitats and/or substrates, or are mycorrhizal with associated trees an understanding of this can not only help in finding them but also aid in there identification.

The Auckland region has a number of different forest types as well as man made habitats. Our forest are not pure stands of any one tree but generally a mixture of several types .
 
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Lowland Broadleaf / Podocarp
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Podocarp's are our big forest trees found at low altitude throughout the country except in the drier eastern parts of the South Island. Within the Auckland region there are no undisturbed stands of these to be found having most long since been cut over. Never the less in the Waitakere as else these are regenerating. Such forest with there diversity offer some of the best opportunity for fungi hunting. 
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Kauri Forest
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The Kauri tree is one of our most impressive trees for its long life span and large size. Its unfortunate that the vast Kauri forests once found in the Auckland region are no more. With only isolated pockets of mature trees to be found usually were they were to difficult to extract and mill. I have had mixed results with finding fungi under these generally there are few to be found but on occasions I have come across some nice displays of waxgills. Kauri Forest
Kauri Forest
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Leptospermum
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Tea tree bush is one of the most common forest types found in the Auckland region due to the milling and clearing of Auckland 's Kauri and Podocarp's forests earlier this century. These are a pioneer species and one of the first trees to become established in the process of regeneration. Due in part to their mycorrhizal fungi and ability to set seed when only a few years old. Once established these provide shelter for many others trees species.

A large number of mycorrhizal fungi are found under Tea tree's and some of which are also found under Nothofagus (beech) such as Amanita australis.
Leptospermum scopariumLeptospermum bush
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Nothofagus Forest
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Nothofagus or beech forests are not a common forest type in the Auckland Region as we are near the end of their range, with only Hard Beech ( Nothofagus truncata ) found this far north. Still if you know where to look, particularly in the Hunua Rangers, beech trees can be found. These tend to be much dryer and lack the large mossy ground cover that can be found in the southern beech forest.

Beech trees being mycorrhizal tend to be dominated by Cortinarius and to a lesser existent Amanita, Russula and Laccaria species, but not restricted to just these. Many of these fungi only accrue under beech so its well worth seeking these out.
Nothofagus truncataBeech forests
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Urban Parks
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These tend to be places where many exotic mycorrhizal fungi can be found usually accidentally introduced with imported trees. Unfortunately many of these are also poisonous including the Death Cap ( Amanita phalloides ) which is associated with oak trees. This fungus is one of the worst to eat with immature fruiting bodies being mistaken for field mushrooms with the result that poisonings (kidney/liver damage) and sometimes death is not uncommon.

Oddly one species, Birch bolete ( Leccinum scabrum ) which is associated with silver birch, is a tasty fungus and easily identified, even though few know of it and would not consider eating a Bolete.
Urban ParkUrban Park
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Grasslands
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Open grasslands or farmland is home to some of our best fungi for eating Meadow mushrooms ( Agaricus campestris ) and Horse mushrooms ( Agaricus arvensis ) being top of the list with lesser known Shaggy ink cap (Coprinus comatus) not far behind. Still, some care is need to make sure you do not pick any of the white similar species like Smooth parasol (Leucoagaricus leucothites ).

Unfortunately many of these species are now on the decline due to modern farming practices. The application of fertiliser and fungi don't mix. Many are now restricted to grass verges, urban parks and unimproved farmland.
Grass Land Grass Land
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Woodchip
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Wood chip Mulch has in recent years become a very popular landscaping medium seen in many urban parks, along road verges and in private gardens. There are many fungi that just love this environment and some impressive mass fruiting can be seen during autumn and sometimes right through winter.

Many of the fungi are cosmopolitan species found through out the world, while others are native to New Zealand having fled the bush for this much more agreeable habitat.
Woodchip gardenWoodchip garden
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Dung Fungi
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Coprophilous fungi are a small diverse group of saprobic fungi which help to break down animal dung. Although most are microscopic in size a few have large fruiting bodies which are found during wet conditions. The dung of herbivores consists mostly of undigested plant remains due to the inefficiency of the animal's digestive systems. These plant remains are only partly broken down, thus an excellent source of nutrients for the growth of fungi.

The dung from carnivores and omnivores contain a lot more sugar and are usually broken down by bacteria, during wet conditions fungi can also be found on these too.
Cow Dung Cow Dung
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Insects
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There is another small group of fungi which attack and kill insects, Were the fungus lives within the insect for a time before killing it. At which point it produces fruiting bodies to spread their spores.

In Auckland two species are very common, the Vegetable cicada ( Isaria sinclairii ) which attacks the cicada grub while underground and sends up a stalked fruiting body to the surface to release its spores. The other is Sugar icing fungus ( Cordyceps bassiana ) which attacks a wide range of hosts most common on mature cicadas but also beetles, wasps and stick insects.
Cordyceps bassiana Cicada
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