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Anonymous

Re: sympatric specification in the genus Psilocybe [Re: Zen Peddler]
    #2044975 - 10/26/03 02:39 PM (20 years, 3 months ago)

Adapatability to specific types of wood(Secondary metabolites). this causes substantial speciation in plant pathogenic species of fungi. The Psilocybes are not eating living plants, but they are eating wood that has the chemicals still present in them.

Combine this with other environmental factors in combination with more then a single Genotype present within a species, and one or more of the genotypes might start seperating from the group, leading to multiple phenotypes, and eventually speciation.

Simply changing the substrate and environmental parameters a little leads to different phenotype expression in Copelandia. The same Genotype macroscopically changes due to environmnetal tweaking. Even microscopically, the quantity and size of the Cystidia varies with environmnetal change. Spore size too.




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Anonymous

Re: sympatric specification in the genus Psilocybe [Re: Zen Peddler]
    #2076821 - 11/06/03 11:29 AM (20 years, 2 months ago)

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Anonymous

Re: sympatric specification in the genus Psilocybe [Re: pluteus]
    #2079023 - 11/06/03 10:59 PM (20 years, 2 months ago)

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Anonymous

Re: sympatric specification in the genus Psilocybe [Re: Zen Peddler]
    #2083748 - 11/08/03 11:20 AM (20 years, 2 months ago)

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Anonymous

Re: sympatric specification in the genus Psilocybe [Re: Zen Peddler]
    #2084970 - 11/08/03 07:29 PM (20 years, 2 months ago)

Yes I think eucalypta and tasmania and australiana are variants of P. subaeruginosa( without brown cystidia).

I think they are genotype variants, if they hold there appearance on differing substrates and environmnets, not phenotype variants.

Like the difference between Mexicana A and Mexicana B and the jalisco strain. I think they will all mate together.


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Anonymous

Re: sympatric specification in the genus Psilocybe [Re: Zen Peddler]
    #2085729 - 11/09/03 01:12 AM (20 years, 2 months ago)

Hi just wanted to make one quick point. When it comes to mushrooms Hawaii might not be all that seperate from the main land cause people come and go from there via airplane every day from all parts of the world. As people come and go they can have spores on and in their clothing that is later dropped. :smile2:


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Anonymous

Re: sympatric specification in the genus Psilocybe [Re: mjshroomer]
    #2086184 - 11/09/03 08:40 AM (20 years, 2 months ago)

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Anonymous

Re: sympatric specification in the genus Psilocybe [Re: mjshroomer]
    #2086757 - 11/09/03 03:09 PM (20 years, 2 months ago)

Do you still have access to the herbarium specimens of copelandia ?







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Anonymous

Re: sympatric specification in the genus Psilocybe [Re: mjshroomer]
    #2086799 - 11/09/03 03:44 PM (20 years, 2 months ago)

You contradict yourself in the same post.

Cattle were introduced into hawaii. They brought spores/mycelium with them of copelandias. The copelandias still grow in hawaii. The only way they can still be growing after the initial introduction is by SPORE DISPERSAL.

Your Stuntzii analogy does not disprove spore dispersal, it just proves that it is next to impossible for spores to compete in a an already established microenvironment. A pile of cow shit is freshly created by the cow( a renewable resource that has not already been colonized by competitors) so spores can compete within the manure pile . An established lawn, mulch bed, soil system has all of it's niches already filled, introducing spores to it is like adding spores to a colinized substrate. Do the spores outcompete an already established mycelial mass? NO Adding already colinized wood chips, soil, sod makes it so the mycelium doesn't have to compete for food, it already has an established colony and has sufficinetly stored nutrients for fruiting.

Adding a bucket of colonized wood chips to a bed of mulch that has been sitting around for a year is ineffective as well. Or putting a piece of colonized sod into a yard of old turf. Fruitings and mycelium will be restricted to the one piece of sod that already had the mycelium in it, because the rest of the old yard is colonized by other organisms.

Spore dispersal is the primary means of expanding the range of growth. If spores were as ineefective as you imagine them to be the fungi would not be able to survive, much less find its way around the world. As in cubensis/copelandia. They are very plentiful because of spore dispersal.



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Anonymous

Re: sympatric specification in the genus Psilocybe [Re: pluteus]
    #2121045 - 11/18/03 08:37 PM (20 years, 2 months ago)

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Anonymous

Re: sympatric specification in the genus Psilocybe [Re: Zen Peddler]
    #2123139 - 11/19/03 03:18 PM (20 years, 2 months ago)

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Anonymous

Re: sympatric specification in the genus Psilocybe [Re: Paid]
    #2124507 - 11/20/03 07:07 AM (20 years, 2 months ago)

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