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FNA | Family List | FNA Vol. 28 | Hypnaceae | Herzogiella

2. Herzogiella turfacea (Lindberg) Z. Iwatsuki, J. Hattori Bot. Lab. 33: 375. 1970.

Hypnum turfaceum Lindberg, Bot. Not. 1857: 142. 1857; Dolichotheca turfacea (Lindberg) Loeske; H. pseudosilesiacum (Schimper) Lesquereux & James; Isopterygium turfaceum (Lindberg) Lindberg; Plagiothecium sulcatum Cardot & Thériot; P. turfaceum (Lindberg) Lindberg; Sharpiella turfacea (Lindberg) Z. Iwatsuki

Plants in thin mats, light green to yellowish. Stems 3 cm, 1.5-2.5 mm wide, creeping. Leaves squarrose-spreading, sometimes erect-spreading, usually appearing distichous and complanate due to twisting of leaves to form 2 rows on opposite sides of stems and branches, not or weakly plicate, 1-2 × 0.3-0.7 mm; base not decurrent or sometimes 1-3 short cells indistinctly decurrent; margins serrulate to serrate; alar cells quadrate to short-rectangular on margins, sometimes 1 cell at extreme basal angle, rounded to oval and inflated, 14-34 × 9-22µm, green; basal laminal cell walls pitted, indistinctly pitted distally, sometimes pits absent; medial cells 43-80 × 3-6 µm. Sexual condition autoicous. Seta light brown to red, 1.2-2 cm. Capsule inclined, light brown, oblong to cylindric, slightly arcuate, 0.8-2 × 0.3-0.6 mm, contracted below mouth when dry; operculum conic to conic-apiculate, 0.3-0.4 mm. Spores 10-15 µm.

Capsules mature summer. Coniferous woods, swamps, humus, base of trees, rotten logs, stumps, rock; low to moderate elevations (30-500 m); Alta., Man., N.B., Nfld. and Labr., N.S., Ont., P.E.I., Que., Sask.; Conn., Ill., Ind., Maine, Mass., Mich., Minn., Mont., N.H., N.J., N.Y., N.C., Ohio, Pa., R.I., S.C., S.Dak., Vt., Va., Wis.; Europe; Asia.

Herzogiella turfacea characterized by the often distant, erect- to wide-spreading, sometimes plicate leaves, appearing distichous due to their twisting to opposite sides of the stems and branches, poorly differentiated alar cells, and striate capsules. The species is common in northeastern North America between 40-50º N but rare farther south in North and South Carolina and Virginia. It is known from only a few scattered localities in Alberta, Manitoba, Saskatchewan, Illinois, Montana, Ohio, and South Dakota.


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