Sporobolus Grasses

Sporobolus is a genus of grasses that are emerging threats for the Cape York Region. There are four declared Rat´s tail grasses that crews are currently controlling and monitoring, all four grasses are very similar in appearance, if you need help with identification drop us in a sample.To access documentation on collecting and preserving plant specimens got to our Useful links Tab and Click on ‘Collecting and preserving plant specimens’

American rat’s tail grass (Sporobolus jacquemontii)

American rat’s tail grass is very similar in appearance to giant rat’s tail grass and even the experts have difficulty differentiating the two. Both are clumping grasses that can invade pastures and replace more productive types of grass. American rat’s tail grass is a declared class 2 pest plant under Queensland legislation.

Giant Parramatta grass (Sporobolus fertilis)

Giant Parramatta grass looks very similar to another weedy sporobolus grass, giant rat’s tail grass. Sporobolus grasses are aggressive, can reduce pasture productivity and cause significant degradation of natural areas. Giant Parramatta grass is a Class 2 declared pest plant under Queensland legislation.

Giant rat’s tail grass (Sporobolus pyramidalis and S. natalensis)

Giant rat’s tail grass and other weedy sporobolus grasses are aggressive grasses that can reduce pasture productivity and cause significant degradation of natural areas. Giant rat’s tail grass was originally introduced around the early 1960s in contaminated pasture seed. Giant rat’s tail grass is a Class 2 declared pest plant under Queensland legislation.

Parramatta grass (Sporobolus africanus)

Native to South Africa, Parramatta grass is similar in appearance to giant rat’s tail grass and experts have difficulty differentiating the two. Both are clumping grasses that can invade pastures and replace more productive types of grass. Parramatta grass is a declared Class 2 pest plant under Queensland legislation.

Read more in the next article.