Rusty cord-moss (Entosthodon rubiginosus) COSEWIC assessment and status report: chapter 6

Biology

General

Entosthodon rubiginosus is a small acrocarpous moss that grows as individual stems or in tiny patches on seasonally wet and usually alkaline soil in semi-arid shrub-steppe and grassland environments.

Reproduction and dispersal

The production of sporophytes of Entosthodon rubiginosus is common in Canadian populations and spores are probably of importance in the short-range dispersal of this species, especially into open areas. It possibly takes advantage of open soil, characteristic of early successional, often repeatedly, but, in the case of this species, lightly disturbed habitats (Porley 2000). Although usually considered short-lived, this species may be perennial or pauciperennial (short-lived perennial) in nature (T. McIntosh, personal observations). Many small buds are present on underground stems and they appear to persist from year to year.

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