Amphithecium; Habitat: Open rocky NE slope with extensive outcrops and scattered Quercus and Cercocarpus; Location: Near ridgetop in Evans Creek area, Siskiyou Mountains, N of town of Rogue River; Substrate: Rock, metal-rich; Elevation: 890 meters.
Habit; Habitat: Open rocky NE slope with extensive outcrops and scattered Quercus and Cercocarpus; Location: Near ridgetop in Evans Creek area, Siskiyou Mountains, N of town of Rogue River; Substrate: Rock, metal-rich; Elevation: 890 meters.
Parathecium; Habitat: Oolitic limestone cliffs; Location: Mudflat Road, just north of small cemetery, south of Grandview, T7S R3E S4; Substrate: Rock, HCl+; Elevation: 930 meters; Notes: Like A. strigata but cortex and epihymenium C+ pink (LM).
Parathecium; Habitat: Caliche patch in steppe with Poa secunda, Bromus tectorum, Kochia prostrata, and Elymus elymoides; silty soils, nearly flat; Location: Just north of I-84 NW of Mountain Home; Substrate: Rock, caliche fragments; Elevation: 998 meters; Notes: A. americana det. Knudsen 2011.
Habit; Habitat: Caliche patch in steppe with Poa secunda, Bromus tectorum, Kochia prostrata, and Elymus elymoides; silty soils, nearly flat; Location: Just north of I-84 NW of Mountain Home; Substrate: Rock, caliche fragments; Elevation: 998 meters; Notes: A. americana det. Knudsen 2011.
Hymenium; Habitat: Caliche patch in steppe with Poa secunda, Bromus tectorum, Kochia prostrata, and Elymus elymoides; silty soils, nearly flat; Location: Just north of I-84 NW of Mountain Home; Substrate: Rock, caliche fragments; Elevation: 998 meters; Notes: A. americana det. Knudsen 2011.
Ascus; Habitat: Caliche patch in steppe with Poa secunda, Bromus tectorum, Kochia prostrata, and Elymus elymoides; silty soils, nearly flat; Location: Just north of I-84 NW of Mountain Home; Substrate: Rock, caliche fragments; Elevation: 998 meters; Notes: A. americana det. Knudsen 2011.
Habit; Habitat: Caliche patch in steppe with Poa secunda, Bromus tectorum, Kochia prostrata, and Elymus elymoides; silty soils, nearly flat; Location: Just north of I-84 NW of Mountain Home; Substrate: Rock, caliche fragments; Elevation: 998 meters; Notes: A. americana det. Knudsen 2011.
Habit; Habitat: Oolitic limestone cliffs; Location: Mudflat Road, just north of small cemetery, south of Grandview, T7S R3E S4; Substrate: Rock, HCl+; Elevation: 930 meters; Notes: Like A. strigata but cortex and epihymenium C+ pink (LM).
Spores; Habitat: Oolitic limestone cliffs; Location: Mudflat Road, just north of small cemetery, south of Grandview, T7S R3E S4; Substrate: Rock, HCl+; Elevation: 930 meters; Notes: Like A. strigata but cortex and epihymenium C+ pink (LM).