Takakia lepidozioides contains pleasant scent. The aroma components of Takakia lepidozioides were analyzed by GC/MS and NMR to reveal the existence of coumarin (1) as a major component, which is the key odorant of this species. This is the first report of the presence of coumarin in bryophytes.

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One of conspicuous new commers for aquarium plants in mosses known as "Queen Moss" or "Amblystegiaceae sp. Manaus" was revealed to be Hydropogonella gymnostoma.

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Pohlia wahlenbergii bearing caducous branchlets were found in Nagano Prefecture (Central Japan, August 2012) and Kyoto Prefecture (Kinki District, December 2012).

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