Notes: Found in montane mixed conifer forest of the northern Penninsular Range in San Jacinto mountains, Riverside County, California, San Bernardino National Forest.A very large “Giant Sawtooth” mushroom Neolentinus (Lentinus) ponderosus mushroom near the base of very large Yellow Pine tree. Ponderosus refers to the large size this mushroom can regularly become.
The stump most likely Ponderosa Pine(Pinus ponderosus) although Jeffrey Pine(Pinus jeffreyi) does also grow nearby. California Black Oak(Quercus kelloggii) and Canyon Live Oak(Quercus chrysolepsis) can also be seen growing nearby (left foreground) in the wider “Habitat” picture along with White Alders(Alnus rhombifolia) seen in the background and right foreground. The ground to left is littered with many Ponderosa Pine cones.
Also found nearby are White Fir(Abies concolor), Incense Cedar(Calocedrus concolor), and Sugar Pine(Pinus lambertiana) among others.
Left the mushrooms in place with intent to return in couple days to observe progression of growth since area where found in at the time was deserted and close to dusk with next following days comparatively low traffic Mon., Tues. etc…still knowing only small chance would still be there unmolested given it’s location…upon return sure enough the large one gone nowhere in sight but the small one next to it still there left to the side. That’s it in the picture of the upside down mushroom next to a very nice spore print left by the mushroom where someone tossed it landing gills down on the ground.
The mushrooms when growing in situ were not seen growing directly from the stump but a slight distance away appearing potentially terrestrial in occurence. They were actually growing on the not seen buried rotting wood of the former tree such as a root. Neolentinus is a “Brown Rot” wood inhabiting fungus.
In 2 of the pics a John Muir U.S. quarter was inserted for scale which are for the most part 1 inch in diameter but slightly less.
Neolentinus (Lentinus) ponderosus can be a “choice” edible but quite “tough” textured. It can also sometimes exhibit different colorations as it matures or bruising from handling and/or injury such as yellowish, brownish, orangish and combinations of those and with the other coloration of the mushroom.
Cropped a couple pics for a closer view of the serrated gill detail from where the mushroom gets it’s nickname…“Sawtooth”
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Created: 2011-05-21 16:41:52 MDT (-0600)
Last modified: 2011-05-22 08:37:25 MDT (-0600)
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