Each truffle is dog found ensuring that every one is fragrant and ripe. Our Oregon Black Truffles (Leucangium carthusianum) are foraged on private forest land and a portion of the sales goes back to the landowner to reinvest in their trees. All orders come with a foragers certificate. The blacks are excellent for sweet or savory applications and can be used to infuse prior to shaving onto dishes multiplying the value. are foraged on private forest land and a percentage of the sales goes back to the landowner to reinvest in their trees. All orders come with a foragers certificate. The whites are excellent for savory applications and can be used to infuse prior to shaving onto dishes multiplying the value.