Fungi: Basidiomycota: Agaricomycetes: Boletales: Boletaceae: Austroboletus subflavidus (Murrill) Wolfe

Austroboletus subflavidus – White Coarsely-ribbed Bolete

Synonyms: Boletellus subflavidus, Boletus subflavidus, Porphyrellus subflavidus, Tylopilus subflavidus.

Common name: White Coarsely-ribbed Bolete.

Extract from Wikipedia article: Austroboletus subflavidus is a species of bolete fungus in the family Boletaceae. It is found in eastern North America, where it fruits near oak and pine trees. Originally described as a species of Tylopilus by American mycologist William Murrill in 1938, it was transferred to the genus Austroboletus by Carl B. Wolfe in 1980. The fruit body has a white to yellowish convex to flattened cap measuring 3–10 cm (1.2–3.9 in) in diameter. The pores on the cap underside, which measure about 1 mm wide, are initially white to grayish before becoming pinkish. The coarsely reticulate and pitted stipe measures 4.5–14.5 cm (1.8–5.7 in) long by 0.7–3 cm (0.3–1.2 in). The spore print is reddish brown; spores are spindle-shaped (fusoid) with dimensions of 15–20 by 6–9 μm.

Photos of this mushroom from East and Central Texas

Austroboletus subflavidus mushroom on Forest Service Road 203 in Sam Houston National Forest. Richards, Texas, September 28, 2013
Forest Service Road 203, Sam Houston National Forest, Montgomery, TX 77356, USA

Austroboletus subflavidus mushroom on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, October 19, 2013
Forest Service Road 203, Sam Houston National Forest, Montgomery, TX 77356, USA

Austroboletus subflavidus mushrooms on Caney Creek section of Lone Star Hiking Trail in Sam Houston National Forest near Huntsville, Texas, July 13, 2018
Lone Star Hiking Trail, Montgomery, TX 77356, USA

Group of Austroboletus subflavidus mushrooms in a pine forest on Caney Creek section of Lone Star Hiking Trail in Sam Houston National Forest near Huntsville, Texas, July 13, 2018
Lone Star Hiking Trail, Montgomery, TX 77356, USA

American solitary Lepidella (Amanita subsolitaria)(?) and Austroboletus subflavidus mushrooms in a pine forest on Caney Creek section of Lone Star Hiking Trail in Sam Houston National Forest near Huntsville, Texas, July 15, 2018
Lone Star Hiking Trail, Montgomery, TX 77356, USA

Close up of Austroboletus subflavidus mushroom on Caney Creek section of Lone Star Hiking Trail in Sam Houston National Forest near Huntsville, Texas, July 15, 2018
Lone Star Hiking Trail, Montgomery, TX 77356, USA

Side view of Austroboletus subflavidus mushroom on Caney Creek section of Lone Star Hiking Trail in Sam Houston National Forest near Huntsville, Texas, July 15, 2018
Lone Star Hiking Trail, Montgomery, TX 77356, USA

Austroboletus subflavidus mushroom in a pine forest on Caney Creek section of Lone Star Hiking Trail in Sam Houston National Forest near Huntsville, Texas, September 15, 2018
Lone Star Hiking Trail, Montgomery, TX 77356, USA

Austroboletus subflavidus mushroom on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, September 29, 2018
Lone Star Hiking Trail, Montgomery, TX 77356, USA

Austroboletus subflavidus mushroom on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, September 30, 2018
Little Lake Creek Loop Trail, Montgomery, TX 77356, USA

Comments

• Data for this species were obtained from the dataset https://www.gbif.org.
• There is a Wikipedia article about this species.

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Links

• List of mushrooms with photos.
• Photos grouped by dates.
• List of Latin names.
• List of common names.
• Locations on a map.
• Scripts for generating the web pages.
• Mushrooms from Texas, old version of web page.
• Mushrooms of Russia.
• Collection of mushrooms from Qatar.
• Picture archives.
• Home page of A. Sergeev.

Acknowledgements

Mushroom Observer and Facebook for learning names of local mushrooms.

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