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Fungi: Basidiomycota: Agaricomycetes: Agaricales: Tricholomataceae: Tricholoma odorum Peck

Tricholoma odorum

Synonym: Melanoleuca odora.

Extract from Wikipedia article: Tricholoma odorum is a mushroom of the agaric genus Tricholoma. It was formally described in 1898 by American mycologist Charles Horton Peck. It is considered inedible.

AI-generated description

Tricholoma odorum is a medium-sized mushroom with a grayish-brown to tan cap, 3-6 cm in diameter, and a stout stem. It has a strong, fragrant odor reminiscent of flour or meal. In East and Central Texas, it typically fruits from September to November, often in association with oak and pine trees. The fungus can be found in woodland areas, particularly in well-drained soils with rich organic matter. Its distribution in the region is relatively common, with sightings reported in various counties, including Brazos, Grimes, and Travis.

Photos of this mushroom from East and Central Texas

Knight mushrooms <B>Tricholoma odorum</B> on dead oak roots among dry leaves on South Wilderness Loop Trail at Little Lake Creek Wilderness in Sam Houston National Forest near Richards. Texas, <A HREF="../date-en/2021-12-26.htm">December 26, 2021</A>
LinkKnight mushrooms Tricholoma odorum on dead oak roots among dry leaves on South Wilderness Loop Trail at Little Lake Creek Wilderness in Sam Houston National Forest near Richards. Texas, December 26, 2021
Location on mapsLittle Lake Creek Loop Trail, Montgomery County, Texas, 77873, United States
Side view of knight mushrooms <B>Tricholoma odorum</B> on dead oak roots among dry leaves on South Wilderness Loop Trail at Little Lake Creek Wilderness in Sam Houston National Forest near Richards. Texas, <A HREF="../date-en/2021-12-26.htm">December 26, 2021</A>
LinkSide view of knight mushrooms Tricholoma odorum on dead oak roots among dry leaves on South Wilderness Loop Trail at Little Lake Creek Wilderness in Sam Houston National Forest near Richards. Texas, December 26, 2021
Location on mapsLittle Lake Creek Loop Trail, Montgomery County, Texas, 77873, United States
Cross section of knight mushrooms <B>Tricholoma odorum</B> on dead oak roots among dry leaves on South Wilderness Loop Trail at Little Lake Creek Wilderness in Sam Houston National Forest near Richards. Texas, <A HREF="../date-en/2021-12-26.htm">December 26, 2021</A>
LinkCross section of knight mushrooms Tricholoma odorum on dead oak roots among dry leaves on South Wilderness Loop Trail at Little Lake Creek Wilderness in Sam Houston National Forest near Richards. Texas, December 26, 2021
Location on mapsLittle Lake Creek Loop Trail, Montgomery County, Texas, 77873, United States
Underside of knight mushrooms <B>Tricholoma odorum</B> on dead oak roots among dry leaves on South Wilderness Loop Trail at Little Lake Creek Wilderness in Sam Houston National Forest near Richards. Texas, <A HREF="../date-en/2021-12-26.htm">December 26, 2021</A>
LinkUnderside of knight mushrooms Tricholoma odorum on dead oak roots among dry leaves on South Wilderness Loop Trail at Little Lake Creek Wilderness in Sam Houston National Forest near Richards. Texas, December 26, 2021
Location on mapsLittle Lake Creek Loop Trail, Montgomery County, Texas, 77873, United States
Spores of knight mushrooms <B>Tricholoma odorum</B> collected in Sam Houston National Forest 12/26/2021. College Station, Texas, February 13, 2022
LinkSpores of knight mushrooms Tricholoma odorum collected in Sam Houston National Forest 12/26/2021. College Station, Texas, February 13, 2022
Measurement of sporesSpore size 7.84 - 9.2 × 5.4 - 6.4 µm, length to width ratio Q = 1.31 - 1.5.

AI-generated summary of observations

Tricholoma odorum was observed growing on dead oak roots among dry leaves on the South Wilderness Loop Trail at Little Lake Creek Wilderness in Sam Houston National Forest near Richards, Texas. The mushrooms were found on December 26, 2021, and were documented from various angles, including side view, cross section, and underside. The observations revealed characteristic features of the species. Spores of Tricholoma odorum were also collected and examined later in College Station, Texas, on February 13, 2022. The fungus was found to thrive in the specific environment of dead oak roots and dry leaves in East and Central Texas, highlighting its ecological preferences. The detailed documentation provides valuable insights into the morphology and habitat of Tricholoma odorum in this region.

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Acknowledgements

Mushroom Observer and Facebook for learning names of local mushrooms.

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