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Published In: Bryologia Europaea 6: 45 (fasc. 55–56. Mon. 1.). 1853. (Bryol. Eur.) Name publication detail

Project Name Data (Last Modified On 2/19/2009)
Acceptance : Accepted
Project Data     (Last Modified On 2/26/2009)
General Reference:

Notes     (Last Modified On 2/26/2009)
general taxon notes:

 Eight species and two varieties of Amblystegium were reported for China (Redfearn et al. 1996). Four of them have been synonymized and transferred to other genera of the Amblystegiaceae [A. rivicola (Mitt.) A. Jaeger = Leptodictyum humile (P. Beauv.) Ochyra, A. schensianum Müll. Hal. = Leptodictyum humile, A. squarrosulum Besch. = Campylium squarrosulum (Besch.) Kanda, and A. tibetanum (Mitt.) Paris = Campyliadelphus polygamus (Schimp.) Kanda]. Amblystegium compressum Mitt. (Mitten 1891) was neglected by Redfearn et al. (1996). It was treated by Noguchi (1972) as a synonym of Pseudoleskeopsis japonica (Sull.) Iwats. or by Iwatsuki (1976) as P. ziippelii (Dozy & Molk.) Broth. After examining the holotype of Amblystegium compressum, it is clear that this species should be excluded from the Amblystegiaceae. Two species and one variety are recognized here for China.


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 1. Amblystegium Schimp. in B.S.G.   柳叶藓属   liu ye xian shu

Bryol. Eur. 6: 45. 1853. Hypnum subgen. Amblystegium (Schimp.) Hobk., Syn. Brit. Mosses 162. 1873. Hypnum sect. Amblystegium (Schimp.) Sull. in Gray, Manual (ed. 2) 677. 1856.
Plants slender, green or yellowish green, sometimes yellowish brown. Stems prostrate, with rhizoids below, irregularly or regularly pinnately branched; pseudoparaphyllia foliose. Stem leaves ascending, ovate-lanceolate, gradually acuminate into a long apex; margins plane, entire or serrulate at apex; costae single, reaching mid-leaf or above; median leaf cells rhomboidal or elongate-hexagonal, 15–32(–48) μm × 8–10 μm; alar cells numerous, often oblate or shortly rectangular. Autoicous. Inner perichaetial leaves erect, lanceolate, sometimes plicate, long acuminate; costae single, strong. Setae slender, curved when dry; capsules cylindrical, strongly curved when dry; annuli differentiated; cilia 1–2(–3), nodulose, rarely appendiculate. Spores small, minutely papillose.

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 1. Leaf costae extending close to leaf apex, sometimes curved, more or less flexuose above......... 2. A. varium

1. Leaf costae only to 1/2–2/3 the leaf length, slender and straight........................................................................ 2
2. Leaves 0.5–0.8 mm long; alar cells quadrate or shortly oblate............................ 1a. A. serpens var. serpens
2. Leaves 1.0–1.5 mm long; alar cells shortly rectangular............................... 1b. A. serpens var. juratzkanum


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