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Sulphur shelves may cause gastrointestinal problems, as one of our BAMS contributors recently experienced: Laetiporus gilbertsonii © photo by Jason Hollinger. Delicious! The spores are for reproduction This fungus is saprobic, which means that it feeds on both living and dead tress. It was one of three new Laetiporus species published in 2001, which were distinguished genetically from the common Laetiporus sulphureus; the others were L. conifericola and L. huroniensis. Laetiporus squalidus is described as a new species, distinguished by the effused-reflexed basidioma with numerous small and broadly attached pilei, cream to pale brown upper surface, when fresh, becoming light ochraceous after dry and ellipsoid to broadly ellipsoid basidiospores. As the fungus matures, the shelves can turn tan to light brown, and the consistency gets more woody. Laetiporus gilbertsonii - Sulphur Shelf -or- Chicken of the Woods. BUT, try at your own risk! It is found in western North America. My husband felt queasy until midday Saturday (having puked I felt better sooner). If heâs lecturing on the East Coast, many hands go up with positive feedback. Does cause a reaction in some people. The type collection, made in San Francisco's Golden Gate Park in 1997, was found fruiting on a eucalyptus tree. The fungus is named in honor of mycologist Robert Lee Gilbertson. It was the first wild mushroom that I’ve trusted enough to eat, and it’s the wild mushroom I use as an ambassador for foraging and wild mushroom consumption. I am physically the smallest in our family, but I ate the most mushrooms, so I got pretty queasy after about an hour and vomited pretty painfully after about three hours. Both species are edible and highly sought after. Harvard Papers in Botany 6: 43-55. Laetiporus conifericola is very similar in appearance, but is readily distinguished by its growth on conifers. When young, the spongy shelves are pale salmon orange or pale pinkish orange. My husband and I drank a glass or two of wine as well. When young, the spongy shelves are pale salmon orange or pale pinkish orange. Then I found another batch on a living valley oak and took a more formed, mature but still soft shelf to give my friends. Took a bunch and left a lot more for good karma. Laetiporus gilbertsonii is a species of polypore fungus in the family Fomitopsidaceae.It is found in western North America. Laetiporus gilbertsonii is another of my favorite mushrooms. They also fruit on dead trees and downed logs and stumps. When sunlight is present the fruiting body is sent up into the tree and then spreads through the tree, this starts the decaying process of the tree. Morphological and ecological characteristics are provided that support the delimitation of three new species, L. conifericola, L. huroniensis, and L. gilbertsonii, and one variety, L. gilbertsonii … Mushroom Observer is a forum where amateur and professional mycologists can come together and celebrate their common passion for mushrooms by discussing and sharing photos of mushroom sightings from around the world. In 2001, Hal Burdsall and Mark Banik published a paper, The genus Laetiporus in North America1, which described three new species and one variety. Sulphur shelves often fruit early in the season and can appear on freshly cut stumps any time of year, and can return year after year when conditions are good. Laetiporus gilbertsonii, our local species of Sulphur Shelf or Chicken of the Woods, is a parasite on hardwoods — mainly oaks and eucalyptus. The young shelves are bright orange to salmon orange, the flesh is pale yellow, and the pore surface is lemon yellow to bright creamy yellow. My son and I sauteed a few slices for lunch in butter â about five each, all together about the size of an orange. The taxonomy of genus Laetiporus in North America is discussed in terms of the species recognized to date. Laetiporus gilbertsonii, on a eucalyptus stump. Mushroomers usually collect the soft margins of the young fruiting body, as this part is more likely to be palatable. The Laetiporus that grows on Eucalyptus and probably on oaks is Laetiporus gilbertsonii. Its fruiting bodies can be found on stumps or on the trunk or base of the living tree. The genus Laetiporus in North America. My husband, son, and I ate them with salad, bread, and sausage, with a white wine-garlic-butter sauce. I've had several Sulphur Shelf sightings around Chico in the past week or so, but they were either too old, too high up, or cleaned out by the time I got back there with my bag â so I was delighted to spy a lot of very fresh new soft clumps on a big old dead oak snag in Lower Bidwell Park.