Common names: indigo milkcap, Indigo Milky, Diminutive Indigo Milk Cap.
Extract from Wikipedia article: Lactarius indigo, commonly known as the indigo milk cap, the indigo (or blue) lactarius, or the blue milk mushroom, is a species of agaric fungus in the family Russulaceae. A widely distributed species, it grows naturally in eastern North America, East Asia, and Central America; it has also been reported in southern France. L. indigo grows on the ground in both deciduous and coniferous forests, where it forms mycorrhizal associations with a broad range of trees. The fruit body color ranges from dark blue in fresh specimens to pale blue-gray in older ones. The milk, or latex, that oozes when the mushroom tissue is cut or broken — a feature common to all members of the genus Lactarius — is also indigo blue, but slowly turns green upon exposure to air. The cap has a diameter of 5 to 15 cm (2 to 6 in), and the stem is 2 to 8 cm (0.8 to 3 in) tall and 1 to 2.5 cm (0.4 to 1.0 in) thick. It is an edible mushroom, and is sold in rural markets in China, Guatemala, and Mexico.
Blue milkcap mushrooms (Lactarius indigo) in Lick Creek Park. College Station, Texas, May 21, 2018 Iron Bridge Trail, College Station, TX 77845, USA
Dissected blue milkcap mushrooms (Lactarius indigo) in Lick Creek Park. College Station, Texas, May 21, 2018 Iron Bridge Trail, College Station, TX 77845, USA
Blue milkcap mushrooms (Lactarius indigo) with Hypomyces fungus in Lick Creek Park. College Station, Texas, June 10, 2018 Iron Bridge Trail, College Station, TX 77845, USA
Pair of blue milkcap mushrooms (Lactarius indigo) in Lick Creek Park. College Station, Texas, June 10, 2018 Iron Bridge Trail, College Station, TX 77845, USA
Young blue milkcap mushroom (Lactarius indigo) in Lick Creek Park. College Station, Texas, June 10, 2018 Iron Bridge Trail, College Station, TX 77845, USA
Underside of blue milkcap mushrooms (Lactarius indigo) in Lick Creek Park. College Station, Texas, June 10, 2018 Iron Bridge Trail, College Station, TX 77845, USA
Gills of blue milkcap mushrooms (Lactarius indigo) in Lick Creek Park. College Station, Texas, June 10, 2018 Iron Bridge Trail, College Station, TX 77845, USA
Dissected blue milkcap mushrooms (Lactarius indigo) in Lick Creek Park. College Station, Texas, June 10, 2018 Iron Bridge Trail, College Station, TX 77845, USA
Fungus Hypomyces lateritius(?) on blue milkcap mushrooms (Lactarius indigo) in Lick Creek Park. College Station, Texas, June 10, 2018 Iron Bridge Trail, College Station, TX 77845, USA
Dissected blue milkcap mushroom (Lactarius indigo) with Hypomyces lateritius(?) fungus in Lick Creek Park. College Station, Texas, June 10, 2018 Iron Bridge Trail, College Station, TX 77845, USA
Blue milkcap mushrooms (Lactarius indigo) under bushes in Lick Creek Park. College Station, Texas, June 10, 2018 Raccoon Run, College Station, TX 77845, USA
Cap of blue milkcap mushrooms (Lactarius indigo) in Lick Creek Park. College Station, Texas, June 10, 2018 Raccoon Run, College Station, TX 77845, USA
Side view of blue milkcap mushrooms (Lactarius indigo) in Lick Creek Park. College Station, Texas, June 10, 2018 Raccoon Run, College Station, TX 77845, USA
Underside of blue milkcap mushrooms (Lactarius indigo) in Lick Creek Park. College Station, Texas, June 10, 2018 Raccoon Run, College Station, TX 77845, USA
Gills of blue milkcap mushrooms (Lactarius indigo) in Lick Creek Park. College Station, Texas, June 10, 2018 Raccoon Run, College Station, TX 77845, USA
Dissected blue milkcap mushrooms (Lactarius indigo) in Lick Creek Park. College Station, Texas, June 10, 2018 Raccoon Run, College Station, TX 77845, USA
Blue milkcap mushrooms (Lactarius indigo) in Lick Creek Park. College Station, Texas, October 9, 2018 Iron Bridge Trail, College Station, TX 77845, USA
Gills of a blue milkcap mushroom (Lactarius indigo) in Lake Bryan Park. Bryan, Texas, October 10, 2018 Bryan, TX 77807, USA
Blue milkcap mushroom (Lactarius indigo) in Lake Bryan Park. Bryan, Texas, October 10, 2018 P4-746, Bryan, TX 77807, USA
Cap of blue milkcap mushroom (Lactarius indigo) under dry oak leaves in Bastrop State Park. Bastrop, Texas, October 14, 2018 Bastrop State Park, 100 Park Road 1A, Bastrop, TX 78602, USA
Underside of blue milkcap mushroom (Lactarius indigo) in Bastrop State Park. Bastrop, Texas, October 14, 2018 Bastrop State Park, 100 Park Road 1A, Bastrop, TX 78602, USA
Gills of blue milkcap mushroom (Lactarius indigo) in Bastrop State Park. Bastrop, Texas, October 14, 2018 Bastrop State Park, 100 Park Road 1A, Bastrop, TX 78602, USA
Milkcap mushroom Lactarius piperatus and Lactarius indigo in Bastrop State Park. Bastrop, Texas, October 14, 2018 Bastrop State Park, 100 Park Road 1A, Bastrop, TX 78602, USA
Dissected blue milkcap mushroom (Lactarius indigo) in Bastrop State Park. Bastrop, Texas, October 14, 2018 Bastrop State Park, 100 Park Road 1A, Bastrop, TX 78602, USA
Gills of milkcap mushrooms Lactarius indigo and another Lactarius in Lick Creek Park. College Station, Texas, June 12, 2019 Iron Bridge Trail, College Station, TX 77845, USA
Milkcap mushroom Lactarius indigo and firm Russula (Russula compacta) in Lick Creek Park. College Station, Texas, June 12, 2019
Caps of firm Russula mushrooms (Russula compacta) and Lactarius indigo under small oaks in Lick Creek Park. College Station, Texas, June 12, 2019 Iron Bridge Trail, College Station, TX 77845, USA
Some short-stemmed orange Chanterelle mushrooms (Cantharellus tenuithrix, C. cibarius group) under small oaks together with a young Lactarius indigo in Lick Creek Park. College Station, Texas, June 12, 2019 Iron Bridge Trail, College Station, TX 77845, USA
Blue milkcap mushrooms (Lactarius indigo) in Lick Creek Park. College Station, Texas, June 12, 2019 Yaupon Loop, College Station, TX 77845, USA
Underside of blue milkcap mushrooms (Lactarius indigo) in Lick Creek Park. College Station, Texas, June 12, 2019 Yaupon Loop, College Station, TX 77845, USA
Milkcap mushrooms Lactarius indigo together with Lactarius piperatus in Lick Creek Park. College Station, Texas, June 14, 2019 Iron Bridge Trail, College Station, TX 77845, USA
Blue milkcap mushrooms (Lactarius indigo) on Closed Trail in Lick Creek Park. College Station, Texas, June 25, 2019 Iron Bridge Trail, College Station, TX 77845, USA
Blue milkcap mushrooms (Lactarius indigo) under red cedar and oaks on Closed Trail in Lick Creek Park. College Station, Texas, June 25, 2019 Yaupon Loop, College Station, TX 77845, USA
Gills of milkcap mushrooms Lactarius maculatipes and Lactarius indigo on Yaupon Loop Trail in Lick Creek Park. College Station, Texas, June 30, 2019 Yaupon Loop, College Station, TX 77845, USA
Milkcap mushrooms Lactarius maculatipes and Lactarius indigo on Yaupon Loop Trail in Lick Creek Park. College Station, Texas, June 30, 2019 Yaupon Loop, College Station, TX 77845, USA
Fungus Hypomyces lateritius(?) on a blue milkcap mushroom (Lactarius indigo) in Lick Creek Park. College Station, Texas, June 30, 2019 Yaupon Loop, College Station, TX 77845, USA
Dissected blue milkcap mushrooms (Lactarius indigo) with fungus Hypomyces lateritius(?) in Lick Creek Park. College Station, Texas, June 30, 2019 Yaupon Loop, College Station, TX 77845, USA
Milkcap mushrooms (Lactarius indigo) with fungus Hypomyces lateritius(?) in Lick Creek Park. College Station, Texas, June 30, 2019 Yaupon Loop, College Station, TX 77845, USA
Group of milkcap mushrooms (Lactarius indigo) on Yaupon Loop Trail in Lick Creek Park. College Station, Texas, June 30, 2019 Yaupon Loop, College Station, TX 77845, USA
Dissected milkcap mushrooms (Lactarius indigo) on Yaupon Loop Trail in Lick Creek Park. College Station, Texas, June 30, 2019 Yaupon Loop, College Station, TX 77845, USA
Gills of milkcap mushrooms (Lactarius indigo) on Yaupon Loop Trail in Lick Creek Park. College Station, Texas, June 30, 2019 Yaupon Loop, College Station, TX 77845, USA
Dissected caps of milkcap mushrooms (Lactarius indigo) on Yaupon Loop Trail in Lick Creek Park. College Station, Texas, June 30, 2019 Yaupon Loop, College Station, TX 77845, USA
Mature milkcap mushrooms (Lactarius indigo) on Yaupon Loop Trail in Lick Creek Park. College Station, Texas, June 30, 2019 Yaupon Loop, College Station, TX 77845, USA
Underside of indigo milkcap mushroom (Lactarius indigo) in Lick Creek Park. College Station, Texas, June 5, 2020 Yaupon Loop, College Station, TX 77845, USA
Dissected indigo milkcap mushroom (Lactarius indigo) in Lick Creek Park. College Station, Texas, June 5, 2020 Yaupon Loop, College Station, TX 77845, USA
Blue milkcap mushroom (Lactarius indigo) in Lick Creek Park. College Station, Texas, June 9, 2020 Yaupon Loop, College Station, TX 77845, USA
Underside of blue milkcap mushroom (Lactarius indigo) in Lick Creek Park. College Station, Texas, June 9, 2020 Yaupon Loop, College Station, TX 77845, USA
Dissected blue milkcap mushroom (Lactarius indigo) in Lick Creek Park. College Station, Texas, June 9, 2020 Yaupon Loop, College Station, TX 77845, USA