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buttongrass
Scientific Name: Dactyloctenium radulans
Family: Poaceae
Category: Monocot
Growth: Graminoid
Duration: Annual
Other Names:
Button Grass (Gymnoschoenus sphaerocephalus)
Gymnoschoenus sphaerocephalus, commonly known as button grass, is a tussock-forming sedge found in southeastern Australia. It's a prominent feature of buttongrass moorlands, particularly in central Tasmania.
Considerations for Pets
- Button grass forms large, densely-tufted, coarse tussocks.
Taxonomy and Nomenclature
- Scientific Name: Gymnoschoenus sphaerocephalus
- Common Name: Button grass
- Family: Cyperaceae (based on its description as a sedge)
Distribution and Habitat
- Found in southeastern Australia, particularly in Tasmania.
- Dominates buttongrass moorlands, which are wet, poorly-drained areas.
Morphological Characteristics
- Forms large, densely-tufted, coarse tussocks.
- Produces long stalks (culms) bearing spherical flower-heads.
Ecological Role
- Button grass moorland is highly flammable.
- The plant can influence fire behavior predictions in its environment.
Interactions with Other Organisms
- Crayfish burrows are commonly found throughout buttongrass plains.
- Collembola (springtails) inhabit buttongrass moorlands.
Further Information
- A workshop on Buttongrass Moorland Management was held in Hobart in July 2007.
- Contact jayne.balmer@dpiw.tas.gov.au for information related to the workshop.
- The "Green Walks in the Park" Program may include walks in areas with buttongrass.