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Published In: Bryologia Europaea 4: 215. 403 (fasc. 10 Monogr. 7. 1). 1841. (Bryol. Eur.) Name publication detail

Project Name Data (Last Modified On 3/18/2009)
Acceptance : Accepted
Project Data     (Last Modified On 5/4/2009)
General Reference:

Illustration & Map     (Last Modified On 5/4/2009)
Illustrations: Aulacomnium heterostichum (Hedw.) Bruch & Schimp. (Figs. 6–9.)
Map: Aulacomnium heterostichum (Hedw.) Bruch & Schimp. (Distribution in China)

Distribution     (Last Modified On 5/4/2009)
Habitat: on wet rocks, sandy soil, rarely on rotten trees; alt. 1300–3000 m.
Distribution: China, Japan, Korea, Russia, and North America.

Specimens Examined     (Last Modified On 5/4/2009)
Specimens Examined:
Chinese specimens examined: Chongqing: Nan-chuan Co., X.-Y. Hu 0693 (MO). Gansu: Wen Co., P.-I. Wei 84 (HKAS). Heilongjiang: Dailing, P.-C. Chen 402 (IFSBH); Ning-an Co., C. Gao 6051 (IFSBH). Hubei: Mt. Shennongjia, P.-C. Wu 350 (MO). Hunan: Mt. Wugang, X. Fu 42240 (IFSBH). Jilin: Mt. Changbai, C. Gao 1052 (IFSBH), B.-D. Xin 0257 (MO). Liaoning: Ben-xi Co., C. Gao 8524 (IFSBH). Nei Mongol: Gen-he, C. Gao 329
(IFSBH); Yakeshi City, Z.-G. Tong s.n. (HKAS). Shaanxi: Mt. Taibai, Z.-P. Wei 6607 (HKAS). Sichuan: Mei-gu Co., Z.-T. Guan 9082, 9112 (both in PE); Mt. Omei, C. Gao 19503, 19526 (both in HKAS, IFSBH), Redfearn 34630, 34723 (both in MO).


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2. Aulacomnium heterostichum (Hedw.) Bruch & Schimp.   异枝皱蒴藓   yi zhi zhou shuo xian
Bryol. Eur. 4: 215. t. 403. 1841. Bryum heterostichum (Hedw.) Arnott, Mém. Soc. Linn. Paris 5: 278. 1827, hom. illeg. Hypnum heterostichum (Hedw.) Web. & Mohr, Index Mus. Pl. Crypt. 3. 1803. Arrhenopterum heterostichum Hedw., Sp. Musc. Frond. 198. t. 46. fig. 1–9. 1801. Type: U.S.A.
Plants medium-sized, yellowish green, in loose tufts. Stems simple or branched, 2–3 cm high, with dense rhizoids at base. Leaves dense, not crisped when dry, oblong-ovate or broadly oblong, 1.8–3.0 mm × 1.0–1.4 mm, slightly concave, obtuse at apex, not decurrent at base, margins plane, sharply dentate in the upper half; costae strong, firm, not curved, ending just below the apex; upper leaf cells irregularly rounded, quadrate or hexagonal, thick-walled, smooth; lower cells similar; basal leaf cells at the insertion not inflated, but slightly longer, unistratose, smooth. Autoicous. Setae straight, 1.0–1.5 cm long; capsules inclined, cylindrical, 2.5–3.0 mm long, slightly curved; opercula shortly rostrate; peristome double; basal membrane ca. 1/2 the height of segments; cilia 2–4, well developed. Spores brownish, 10–15 µm in diameter, densely papillose.


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