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Published In: Bryologia Universa 1(1): 592. 1826. (Bryol. Univ.) Name publication detail

Project Name Data (Last Modified On 12/15/2011)
Acceptance : Accepted
Distribution     (Last Modified On 12/13/2011)
Habitat: on rotten logs; alt. 2100–3726 m.
Distribution: China and widely distributed in the world.

Specimens Examined     (Last Modified On 12/13/2011)
Specimens Examined:
Chinese specimens examined: Hebei: Zhongtaixiejiahu, C.-W. Wang 980 (PE). Sichuan: Jiu-long Co., Y. Jia 08456 (FH, PE); Mt. Omei, P.-C. Chen 5604 (PE); Mu-li Co., M.-Z. Wang 23479 (PE); Se-da Co., Y. Jia 08933 (FH, PE). Taiwan: Nan-tou Co., S. He 36379b (MO), Shevock 14419, 17907 (both in CAS, MO); Tai-chung Co., Shevock 18057 (CAS, MO). Xizang: Cha-yu Co., M.-Z. Wang 12787b (PE). Yunnan: Da-li Co., Redfearn et al. 1575 (MO); Yang-bi Co., Redfearn et al. 346, 682, 893a (all in MO, PE).


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4. Zygodon viridissimus (Dicks.) Brid.  绿色变齿藓   lu se bian chi xian
Bryol. Univ. 1: 592. 1826. Amphoridium viridissimum (Dicks.) De Not., Atti Reale Univ. Genova, 1: 277. 1869. Gymnostomum viridissimum (Dicks.) Sm., Engl. Bot., 22: 1583. 1806. Dicranum viridissimum (Dicks.) Turner, Muscol. Hibern. Spic. 71. 1804. Bryum viridissimum Dicks., Fasc. Pl. Crypt. Brit. 4: 9. 1801. Type: Europe.
Plants small to medium-sized, light green to dark green, often in loose mats. Stems erect, to 1.5 cm high, dichotomously branched, with few rhizoids at the base. Leaves twisted when dry, erect-spreading when moist, oblong-lanceolate, 1–2 mm long, acuminate, ending with 1–2 cells at the tip, often recurved above, keeled below; margins plane and entire; costae subpercurrent, often papillose on the back; upper leaf cells rounded to rounded-quadrate, 7–10 µm wide, thick-walled, densely papillose; lower and basal leaf cells rectangular, smooth, thin-walled, gradually becoming shorter toward margin. Gemmae axillary, composed of 5–10 cells of fusiform, ellipsoid or subclavate forms. Dioicous. Setae 4–7 mm long; capsules narrowly pyriform, furrowed; opercula obliquely rostrate; exothecial cells slightly differentiated in longitudinal bands; peristome absent, only consisting of a low, papillose basal membrane. Calyptrae cucullate, not plicate, naked. Spores 11–14 µm in diameter, papillose.




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