Posted by Steve818
This collection is primarily for sightings of invasive perennial grasses with NatureMapr weed ratings of medium or high.
The images should clearly show field id. spotting characteristics because the aim of this collection is to assist others with invasive grass id.
Invasive grasses are a major threat to the biodiversity of native grassy ecosystems, and some increase fire danger, e.g. African lovegrass. They can also reduce the carrying capacity of grazing land, e.g. serrated tussock.
Species to date in the collection: African lovegrass, Chilean needlegrass, serrated tussock, fountain grass, African feather grass, pink Pampas grass, Mexican feather grass, Coolatai grass, whisky grass, feathertop, sweet vernal grass, Paspalum, and Chinese fairy grass.
Sweet vernal grass and Paspalum are included despite having minor weed ratings in NatureMapr because there is increasing concern about their ability to spread post disturbance and interfere with native plant regeneration.
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