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I have been watching this mushroom grow very slowly over the last three weeks. The pic shows a primordia that exceeds 6" in dia, The previous fruit was known to be on the tree for over 9 years. It measured over 12" across and was in a more classic shelf format. The tree was known to be deciduous, perhaps American or Chinese elm.
It looks to me to be a Ganoderma of some sort. That is where I am going to start looking in the reference. I do not remember reading of any Reshi that attained this size. I have isolated G curtisii on agar before and noted the formation of spore bearing body's (pleurocystidia?) and intend to clone this one so that I can eliminate curtisii as a candidate.
Any help or opinions would be welcome.
Thanks in advance Mycoelf
This mushroom is growing in Bloomington Indiana and started to form around the first week of September. The tree that was hosting the original one foot specimen was standing, a summer storm brought it down after many years of standing decay. The new fruiting I believe have been brought about by the crash of the standing trunk.
If this is Ganoderma Lucidium it is the biggest that I have ever known of. I believe that a successful clone will further demonstrate or exclude it as a ganoderma based on it's mycelial profile on agar.
Sterility is a process that can be likened unto infinity, which is a long walk, the closer to the end you start before beginning, the more achievable the goal of infinity becomes. Remember, cleanliness in next to goddessness
im pretty sure that curtisii and lucidum are practically the same thing
Quote: Ganoderma curtisii is considered by some mycologists to be a different species because of its brighter yellow colors and geographic restriction to the southeaster United States. However, most consider Ganoderma. lucidum and G. curtisii to be the same species because of their similar appearance and habitats; they both prefer to grow on hardwoods. In "North American Polypores," practically the bible for wood-decaying poroid fungi, Gilbertson and Ryvarden, do not consider G. curtisii a species separate from G. lucidum. Another fungus that resembles G. lucidum is Ganoderma oregonense, which, like G. tsugae grows on conifers, but is found in the Pacific Northwest and New Mexico.