Squamules; Habitat: Calcareous rocky grassland, scattered Juniperus and Pinus flexilis; Location: Lewis and Clark Cavern State Park, near old gypsum mines; Substrate: Soil, near old gypsum mine; Elevation: 1360 meters; Notes: Placidium lacinulatum var. atrans det O. Breuss by photo, 2005. Placidium lacinulatum var. atrans det. Breuss 2009.
Upper cortex section; Habitat: Calcareous rocky grassland, scattered Juniperus and Pinus flexilis; Location: Lewis and Clark Cavern State Park, near old gypsum mines; Substrate: Soil, near old gypsum mine; Elevation: 1360 meters; Notes: Placidium lacinulatum var. atrans det O. Breuss by photo, 2005. Placidium lacinulatum var. atrans det. Breuss 2009.
Squamule section; Habitat: Calcareous rocky grassland, scattered Juniperus and Pinus flexilis; Location: Lewis and Clark Cavern State Park, near old gypsum mines; Substrate: Soil, near old gypsum mine; Elevation: 1360 meters; Notes: Placidium lacinulatum var. atrans det O. Breuss by photo, 2005. Placidium lacinulatum var. atrans det. Breuss 2009.
Squamule section; Habitat: Calcareous rocky grassland, scattered Juniperus and Pinus flexilis; Location: Lewis and Clark Cavern State Park, near old gypsum mines; Substrate: Soil, near old gypsum mine; Elevation: 1360 meters; Notes: Placidium lacinulatum var. atrans det O. Breuss by photo, 2005. Placidium lacinulatum var. atrans det. Breuss 2009.
