When: 2012-04-13

Collection location: Cabrillo College Campus, Santa Cruz Co., California, USA [Click for map]

Who: Christian (Christian Schwarz)

No specimen available

Under Atlas Cedar. This is the first time I have found B. edulis var. grandedulis under a non-native tree, although I believe Dimitar has found them under eucalyptus.

It shared the tree with Russula cerolens, and Amanita amerimuscaria, which I’d also never seen under Atlas Cedar.

Prior to this, the only mycorrhizal mushroom I’d recorded under these trees in Santa Cruz had been Hebeloma crustuliniforme.

I can’t be sure that it is actually B. edulis var. grandedulis, but a friend of mine is going back to collect it when it matures – he will save a sample for genetic analysis – would be interesting to examine the genes involved in mycorrhizal compatibility in this one.


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