What is it about?

When described from Peru it was placed in Grimmia, but re-evaluation suggested that it belonged in the genus Jaffueliobryum. Its current name is Jaffueliobryum williamsii.

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Why is it important?

In Jaffueliobryum, the species was considered a synonym of J. wrightii. However, the absence of a leaf hair and a partly bistratose leaf blade separate it from that species.

Perspectives

The morphology of plants is often sufficient to indicate differences among species.

Dr Claudio Delgadillo-Moya
Universidad Nacional Autonoma de Mexico

Read the Original

This page is a summary of: Taxonomy ofGrimmia williamsii, Journal of Bryology, January 2000, Taylor & Francis, DOI: 10.1179/jbr.2000.22.4.294.
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