Herbertus dicranus

Herbertus dicranus (Gottsche, Lindenb. et Nees) Trevis.,
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Norway, Britain, Madeira, Liberia, Cameroon, Guinea Gulf Islands, Zaire, Rwanda, Ethiopia, Kenya, Uganda, Tanzania, Malawi, Zimbabwe, South Africa, Lesotho, Comoros, Madagascar, Runion, Mauritius, Taymyr, Yakutiya, Irkutsk, Tuva, Buryatiya, Wrangel Island, Chukotka, Amur, Khabarovsk, Primorye, Liaoning, Shaanxi, Shandong, Tibet (Xizang), Sichuan, Guizhou, Yunnan, Henan, Anhui, Zhejiang, Hunan, Jiangxi, Fujian, Guangxi, Guangdong, Hainan, Korea, Japan, Nansei-Shoto, Taiwan, Nepal, Bhutan, India, Sri Lanka, Thailand, Vietnam, Cambodia, Malaya, Sumatra, Borneo, Philippines, Java, Lesser Sunda Is., New Guinea, Tasmania, New Caledonia, Samoa, Hawaii, Alaska, British Columbia, Washington, Oregon, Virginia, North Carolina, Colombia, Ecuador, Amsterdam-St Paul Is as per Catalogue of Life;
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Unusual moss from Arunashal Pradesh:
I came across a moss from not far from eaglenest wildlife sanctuary in Arunashal pradesh at an altitude of about 1800m asl and after watching it under a microscope, I found a very unusual bifide leaf shape.

The moss in its environnment.
The  dry collected specimen.

The specimen in water.

One leaf under the microscope.

A cross section of this leaf in the middle.
Some more pictures including microscopic close up are findable here :
https://www.inaturalist.org/observations/205257108

not a moss actually but a liverwort of the genus Herbertus.

I can only say it’s a species of Herbertus of Liverworts.

This is Herbertus sp. A liverwort not moss

Revision of Asian Herbertus (Herbertaceae, Marchantiophyta) Aino Juslén

This is not a moss but a liverwort. It is a Herbertus sp.

This is not moss but a leafy liverwort belonging to the genus Herbertus. In India the genus is represented by 10 species and Arunachal Pradesh harbours seven species.

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References:
Catalogue of Life