Synonyms: Agaricus juniperinus, Antrodia juniperina, Daedalea juniperina, Daedalea westii, Subantrodia juniperina.
Brunneoporus juniperinus is a species of fungus that grows on dead wood, particularly on juniper and cypress trees. In East and Central Texas, it has been found to fruit on standing dead trunks and branches of Eastern Red Cedar and other conifers, typically during the spring and fall months. The fungus produces small to medium-sized, semicircular to kidney-shaped brackets with a brown to reddish-brown upper surface and a pale yellow to cream-colored lower surface, featuring 2-4 pores per millimeter. Its spores are cylindrical to elliptical in shape, measuring 4-6 micrometers in length.
Brunneoporus juniperinus (Antrodia juniperina, Subantrodia juniperina) mushrooms with large pores on Eastern Red Cedar (Juniperus virginiana) on Anderson Street. College Station, Texas, November 1, 2017
Brunneoporus juniperinus (Antrodia juniperina, Subantrodia juniperina) fungus on a red cedar (juniper) tree on Anderson Street. College Station, Texas, November 1, 2017
Pores of Brunneoporus juniperinus (Antrodia juniperina, Subantrodia juniperina) fungus on Eastern Red Cedar (Juniperus virginiana) on Anderson Street. College Station, Texas, November 1, 2017
Pores of Brunneoporus juniperinus (Antrodia juniperina, Subantrodia juniperina) mushrooms with large pores on Eastern Red Cedar (Juniperus virginiana) on Walton Drive. College Station, Texas, December 16, 2017
Brunneoporus juniperinus (Antrodia juniperina, Subantrodia juniperina) mushrooms with large pores on Eastern Red Cedar (Juniperus virginiana) in Bee Creek Park. College Station, Texas, December 16, 2017
Brunneoporus juniperinus (Antrodia juniperina, Subantrodia juniperina) tinder mushrooms near a cut branch on a cedar tree on Walton Drive. College Station, Texas, December 20, 2017
Brunneoporus juniperinus (Antrodia juniperina, Subantrodia juniperina) tinder mushrooms on a cedar tree on Walton Drive. College Station, Texas, December 20, 2017
Close up of Brunneoporus juniperinus (Antrodia juniperina, Subantrodia juniperina) tinder mushrooms on a cedar tree on Walton Drive. College Station, Texas, December 20, 2017
Cluster of Brunneoporus juniperinus (Antrodia juniperina, Subantrodia juniperina) tinder mushrooms on a cedar tree on Walton Drive. College Station, Texas, December 20, 2017
Emerging Brunneoporus juniperinus (Antrodia juniperina, Subantrodia juniperina) tinder mushrooms on a cedar tree on Walton Drive. College Station, Texas, December 20, 2017
Resupinate form of Brunneoporus juniperinus (Antrodia juniperina, Subantrodia juniperina) mushrooms on a dry fallen trunk of Eastern Red Cedar (Juniperus virginiana) on north shore of Lake Somerville near Birch Creek Unit of Somerville Lake State Park. Texas, April 15, 2018
Resupinate form with large pores of Brunneoporus juniperinus (Antrodia juniperina, Subantrodia juniperina) mushrooms on a dry fallen trunk of Eastern Red Cedar (Juniperus virginiana) on north shore of Lake Somerville near Birch Creek Unit of Somerville Lake State Park. Texas, April 15, 2018
Resupinate form of Brunneoporus juniperinus (Antrodia juniperina, Subantrodia juniperina) mushrooms covering underside of a dry fallen trunk of Eastern Red Cedar (Juniperus virginiana) on north shore of Lake Somerville near Birch Creek Unit of Somerville Lake State Park. Texas, April 15, 2018
Dry fallen trunk of Eastern Red Cedar (Juniperus virginiana) with resupinate form of Brunneoporus juniperinus (Antrodia juniperina, Subantrodia juniperina) mushrooms on north shore of Lake Somerville near Birch Creek Unit of Somerville Lake State Park. Texas, April 15, 2018
Close up of young Brunneoporus juniperinus (Antrodia juniperina, Subantrodia juniperina) mushrooms on north shore of Lake Somerville near Birch Creek Unit of Somerville Lake State Park. Texas, April 15, 2018
Texture of resupinate form of Brunneoporus juniperinus (Antrodia juniperina, Subantrodia juniperina) mushrooms on north shore of Lake Somerville near Birch Creek Unit of Somerville Lake State Park. Texas, April 15, 2018
Structure of resupinate form of Brunneoporus juniperinus (Antrodia juniperina, Subantrodia juniperina) mushrooms on north shore of Lake Somerville near Birch Creek Unit of Somerville Lake State Park. Texas, April 15, 2018
Spreading resupinate form of Brunneoporus juniperinus (Antrodia juniperina, Subantrodia juniperina) mushrooms on north shore of Lake Somerville near Birch Creek Unit of Somerville Lake State Park. Texas, April 15, 2018
Pores of Brunneoporus juniperinus (Antrodia juniperina, Subantrodia juniperina) mushrooms on a dry fallen trunk of Eastern Red Cedar (Juniperus virginiana) on north shore of Lake Somerville near Birch Creek Unit of Somerville Lake State Park. Texas, April 15, 2018
Close up of pores of Brunneoporus juniperinus (Antrodia juniperina, Subantrodia juniperina) mushrooms on a dry fallen trunk of Eastern Red Cedar (Juniperus virginiana) on north shore of Lake Somerville near Birch Creek Unit of Somerville Lake State Park. Texas, April 15, 2018
Pores of resupinate form of Brunneoporus juniperinus (Antrodia juniperina, Subantrodia juniperina) mushrooms on north shore of Lake Somerville near Birch Creek Unit of Somerville Lake State Park. Texas, May 6, 2018
Close up of young Brunneoporus juniperinus (Antrodia juniperina, Subantrodia juniperina) mushrooms on north shore of Lake Somerville near Birch Creek Unit of Somerville Lake State Park. Texas, May 6, 2018
Polypore mushroom Brunneoporus juniperinus (Antrodia juniperina, Subantrodia juniperina)(?) on a stump of red cedar(?) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, December 22, 2018
Pores of mushroom Brunneoporus juniperinus (Antrodia juniperina, Subantrodia juniperina)(?) on a stump of red cedar(?) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, December 22, 2018
Brunneoporus juniperinus (Antrodia juniperina, Subantrodia juniperina) fungus on a red cedar tree in City Cemetery. Bryan, Texas, January 27, 2020
Polypore mushroom Brunneoporus juniperinus (Antrodia juniperina, Subantrodia juniperina) on a cut red cedar tree at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, January 18, 2021
Margin of polypore mushroom Brunneoporus juniperinus (Antrodia juniperina, Subantrodia juniperina) on a cut red cedar tree at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, January 18, 2021
Large pores of mushroom Brunneoporus juniperinus (Antrodia juniperina, Subantrodia juniperina) on Eastern red cedar tree in Hensel Park. College Station, Texas, February 27, 2021
Polypore mushroom Brunneoporus juniperinus (Antrodia juniperina, Subantrodia juniperina) on Eastern red cedar tree in Hensel Park. College Station, Texas, February 27, 2021
Pore surface of mushroom Brunneoporus juniperinus (Antrodia juniperina, Subantrodia juniperina) on Eastern red cedar tree (Juniper) near the parking place in Hensel Park. College Station, Texas, March 25, 2021
Polypore mushroom Brunneoporus juniperinus (Antrodia juniperina, Subantrodia juniperina) on Eastern red cedar tree (Juniper) near the parking place in Hensel Park. College Station, Texas, March 25, 2021
Texture of polypore mushroom Brunneoporus juniperinus (Antrodia juniperina, Subantrodia juniperina) on Eastern red cedar tree (Juniper) in Hensel Park. College Station, Texas, March 25, 2021
Pore pattern of polypore mushroom Brunneoporus juniperinus (Antrodia juniperina, Subantrodia juniperina) on Eastern red cedar tree (Juniper) in Hensel Park. College Station, Texas, March 25, 2021
Polypore mushroom Brunneoporus juniperinus (Antrodia juniperina, Subantrodia juniperina) growing from a spot where a tree branch was cut on Eastern red cedar tree (Juniper) in Hensel Park. College Station, Texas, March 25, 2021
Polypore mushrooms Brunneoporus juniperinus (Antrodia juniperina) on Eastern red cedar tree on Anderson Street in College Station, Texas, January 29, 2023
Polypore mushrooms Brunneoporus juniperinus (Antrodia juniperina) growing from a place of a broken limb on Eastern red cedar tree on Anderson Street in College Station, Texas, January 29, 2023The observations document the presence of Brunneoporus juniperinus (Antrodia juniperina) fungus on Eastern red cedar trees in various locations in Texas, including College Station and Bryan. The fungus was observed growing on tree trunks, stumps, and cut branches over a period of several years (2018-2023). The observations note the characteristic large pores of the fungus and its growth patterns, including its tendency to grow from cut or broken areas of the tree. The fungus was found in multiple parks, including Hensel Park and City Cemetery, as well as on trees along streets and trails. Overall, the observations suggest that Brunneoporus juniperinus is a common fungus in the region, often associated with Eastern red cedar trees.
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