Specimen data from the Consortium of California Herbarium
Herzogiella seligeri
Herzogiella seligeri(Brid.) Iwats.
Family: Hypnaceae
[Isopterygium seligeri (Brid.) Dix. in C. Jens., moreIsopterygium silesiacum (Selig. ex P. Beauv.) Kindb., Plagiothecium seligeri (Brid.) Lindb., Plagiothecium silesiacum (Selig. ex P. Beauv.) Schimp. in B.S.G., Sharpiella seligeri (Brid.) Iwats.]
Plants: in thin mats, light green to yellowish. Stems: 3 cm, 1.5â3 mm wide, creeping to ascending. Leaves: wide-spreading in several rows, not plicate, 1â2.5 à 0.5â0.9 mm; base not decurrent or 1â3 cells indistinctly decurrent; margins serrulate to serrate; alar cells quadrate to short-rectangular, sometimes rounded to oval and inflated, 17â48 à 12â26 µm, green; basal laminal cell walls pitted, indistinctly pitted distally, sometimes pits absent; medial cells 30â70 à 5â7 µm. Sexual: condition autoicous. Seta: light brown to red, 1.5â2.5 cm. Capsule: inclined, light brown to reddish, cylindric, strongly arcuate, 2â3.5 à 0.5â0.8 mm, contracted below mouth when dry; operculum conic, 0.4â0.6 mm. Spores: 12â22 µm. Phenology: Capsules mature summer. Habitat: Coniferous or Alnus-Acer woods, rotten logs, base of trees Elevation: moderate to high elevations (300-1900 m) Distribution: Alta., B.C., Idaho, Mont., Oreg., Wash., Europe, Asia.
Discussion: Herzogiella seligeri is distinguished by the wide-spreading leaves that appear in several rows and the long (2â3.5 mm), arcuate capsules. The species occurs in the flora area only in northwestern North America west of the Rocky Mountains at elevations usually below 900 m.