Squamule lower surface; 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 lower surface; 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.
Lower 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.
Pycnidium 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.
Habit; 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.
Habit; 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.
Spores; Habitat: Narrow limestone valley with scattered Cercocarpus ledifolius and Juniperus; Location: Lime Gulch off of Birch Creek, Pioneer Mountains; Substrate: Soil over rock, limestone; Elevation: 1830 meters.
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.
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.
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.