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Cyrto-hypnum pygmaeum (Schimp.) W.R. Buck & H.A. Crum Search in The Plant ListSearch in NYBG Virtual HerbariumSearch in Muséum national d'Histoire naturelleSearch in Type Specimen Register of the U.S. National HerbariumSearch in Virtual Herbaria AustriaSearch in JSTOR Plant ScienceSearch in SEINetSearch in African Plants Database at Geneva Botanical GardenSearch in Flora do Brasil 2020Search in Reflora - Virtual HerbariumSearch in Living Collections Decrease font Increase font Restore font

Published In: Contributions from the University of Michigan Herbarium 17: 67. 1990. (Contr. Univ. Michigan Herb.) Name publication detailView in BotanicusView in Biodiversity Heritage Library

Project Name Data (Last Modified On 3/30/2009)
Acceptance : Accepted
Project Data     (Last Modified On 3/30/2009)
General Reference:

Illustration & Map     (Last Modified On 3/30/2009)
Related Objects:
Illustrations: P.-C. Wu (ed.) 2001 (Pl. 93, figs. 1–10).

Click here for distribution map.
Map: Cyrto-hypnum pygmaeum (Schimp.) W.R. Buck & H.A. Crum (Distribution in China)

Distribution     (Last Modified On 3/30/2009)
Habitat: mostly on calcareous rocks, rarely on moist soil.
Distribution: China, Korea, Japan, and North America.

Specimens Examined     (Last Modified On 3/30/2009)
Specimens Examined:
Chinese specimens examined: Hebei: Zhuo-lu Co., without collector’s name 28 (PE). Liaoning: Kuan-dian Co., Buck 23709, 23767 (NY); Mt. Koô (Mt. Fenghuang), Kobayasi 3892 (BM); Qianshan (Mt.), C. Gao 1993 (IFSBH, PE).


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7. Cyrto-hypnum pygmaeum (Schimp.) Buck & Crum 多疣细羽藓 duo-you xi-yu xian
Contr. Univ. Michigan Herb. 17: 67. 1990. Thuidium pygmaeum Schimp. in B. S. G., Bryol. Eur. 5: 162. 1852. Type. U.S.A.: Ohio, Columbus.
Thuidium perpapillosum R. Watanabe, J. Jap. Bot. 34: 280. 1959.
Plants slender, small to medium-sized, 1–3 cm long, dark green to yellowish green, brownish when old, in small, interwoven mats. Stems creeping, regularly bipinnately branched; central strand present; paraphyllia filamentous, only on stems, apical cells 2–4 long, papillose; surfaces of both stems and branches papillose. Stem leaves remote, appressed when dry, triangularly ovate, 0.3 mm long, acuminate at apex; margins serrate, revolute; costa hyaline, ending at upper portion of leaves, smooth on back; median leaf cells quadrate to polygonal, 5–12 µm wide, thin walls, 3–8 papillae per cell, apical cells 1–3 long, papillose or smooth; branch leaves concave, incurved when dry, narrowly ovate to triangular, apex short, 0.2 mm long. Autoicous. Perichaetial leaves oblong-ovate, acuminate to lanceolate toward apex; margins serrate above. Setae slender, yellowish brown to reddish brown, ca. 1 cm long, smooth; capsules oblong-ovate, curved, reddish brown; exostome teeth yellowish brown; endostome segments lightly yellowish or hyaline, finely papillose; basal membrane 1/2 the height of endostome segments; cilia 2. Spores ca. 10 µm in diameter, minutely papillose.




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