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).
Apothecial section; Habitat: Rhyolite barrens with sparse bunchgrasses and abundant Selaginella; Location: Above John Day River, just S of junction of Routes 19 and 207; Substrate: Rock, rhyolite; Elevation: 780 meters.
Apothecial section; 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.
Thallus section; 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).
ExcipleCortexC; Habitat: Open rocky ridge with adjoining forest of Pseudotsuga and Castanopsis chrysophylla, with patches of old Arctostaphylos columbiana; Location: Horse Rock Ridge ACEC, foothills of Cascade Range; Substrate: Rock, volcanic; Elevation: 760 meters.
Habit; Habitat: Abies - Tsuga mertensiana - Pseudotsuga forest on rocky, partly open ridgetop; Location: East ridge of Squaw Mountain, Cascade Range; Substrate: Rock, semi-shaded, on ridgetop; Elevation: 1500 meters.
Spores; 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.
Amphithecium K; 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.
Spores; 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.
Apothecial section POL; Habitat: Basalt cliffs, partly forested; Location: Just west of Cold Spring Camp, 6 km west of Sisters, east slope of Cascade Range; Substrate: Rock, basalt outcrop; Elevation: 1048 meters.
Exciple edge; Habitat: Rhyolite barrens with sparse bunchgrasses and abundant Selaginella; Location: Above John Day River, just S of junction of Routes 19 and 207; Substrate: Rock, rhyolite; Elevation: 780 meters.
Spores; Habitat: Rhyolite barrens with sparse bunchgrasses and abundant Selaginella; Location: Above John Day River, just S of junction of Routes 19 and 207; Substrate: Rock, rhyolite; Elevation: 780 meters.
Habit; Habitat: Open rocky ridge with adjoining forest of Pseudotsuga and Castanopsis chrysophylla, with patches of old Arctostaphylos columbiana; Location: Horse Rock Ridge ACEC, foothills of Cascade Range; Substrate: Rock, volcanic; Elevation: 760 meters.
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: Open rocky ridge with adjoining forest of Pseudotsuga and Castanopsis chrysophylla, with patches of old Arctostaphylos columbiana; Location: Horse Rock Ridge ACEC, foothills of Cascade Range; Substrate: Rock, volcanic; Elevation: 760 meters.
Spores; Habitat: Open rocky ridge with adjoining forest of Pseudotsuga and Castanopsis chrysophylla, with patches of old Arctostaphylos columbiana; Location: Horse Rock Ridge ACEC, foothills of Cascade Range; Substrate: Rock, volcanic; Elevation: 760 meters.
Habit; Habitat: Open rocky ridge with adjoining forest of Pseudotsuga and Castanopsis chrysophylla, with patches of old Arctostaphylos columbiana; Location: Horse Rock Ridge ACEC, foothills of Cascade Range; Substrate: Rock, volcanic; Elevation: 760 meters.
Soralia; Habitat: Dry subalpine meadows with Pinus albicaulis and Abies lasiocarpa and both limestone and granite outcrops; Location: Pass on trail to Twin Lakes from Storm Lake, Anaconda Range; Substrate: Rock, granite; Elevation: 2664 meters; Notes: Pl. 347: nil. Plate 350: nil.
Habit; Habitat: Dry subalpine meadows with Pinus albicaulis and Abies lasiocarpa and both limestone and granite outcrops; Location: Pass on trail to Twin Lakes from Storm Lake, Anaconda Range; Substrate: Rock, granite; Elevation: 2664 meters; Notes: Pl. 347: nil. Plate 350: nil.