Lobed Bluegrass - profile

Indicative distribution

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Key:

known

predicted

The areas shown in pink and/purple are the sub-regions where the species or community is known or predicted to occur. They may not occur thoughout the sub-region but may be restricted to certain areas. ( click here to see geographic restrictions). The information presented in this map is only indicative and may contain errors and omissions.

Scientific name: Bothriochloa biloba

Conservation status in NSW: Not listed

Commonwealth status: Not listed

Profile last updated: 20 Dec 2023

Description

Bothriochloa biloba is an erect or decumbent perennial grass to 1 metre high. It is easily distinguished from other Bothriochloa species by its lobed upper lemma (bract enclosing flower) which remains attached to the base of the awn when the awn is pulled out of the spikelet.

Distribution

In NSW the species is widespread along the New England Tablelands and North West Slopes and Plains, including Warialda, Bingara, Merriwa, Hunter Valley and Dubbo areas. It also occurs in Southern Queensland.

Note: This species has now been delisted under the EPBC Act as of December 2013.

Habitat and ecology

Prefers (but not limited to) heavy textured soils, such as brown or black clay soils
Flowers from November to June

Regional distribution and habitat

Click on a region below to view detailed distribution, habitat and vegetation information.

Threats

Clearing of woodland and native grassland habitat for cropping and development
Invasion of habitat by weeds, particularly Coolatai Grass and African Lovegrass
Intensive grazing by domestic stock
Damage to roadside populations during road works and roadside maintenance

Recovery strategies

Priority actions are the specific, practical things that must be done to recover a threatened species, population or ecological community. The Office of Environment and Heritage has identified 0 priority actions to help recover the Lobed Bluegrass in New South Wales.

Activities to assist this species

Removal of weeds using appropriate methods
Protect roadside populations and habitat areas during road works and roadside management activities
Investigate formal conservation arrangements such as the use of covenants, conservation agreements or inclusion in reserve tenure

Information sources

Bean, J.M. (1999) Bothriochloa biloba (Poaceae) in natural grasslands on slopes of the Liverpool Plains, New South Wales. Cunninghamia 6(2): 383-7
Benson, D. and McDougall, L. (2005) Ecology of Sydney plant species: Part 10, Monocotyledon families Lemnaceae to Zosteraceae. Cunninghamia 9(1): 16-212
Benson, J.S. and Ashby, E.M. (2000) Vegetation of the Guyra 1:100 000 map sheet New England Bioregion, New South Wales. Cunninghamia 6(3): 747-872
Hunter, J,T. (2003) Vegetation and flora of Arakoola Nature Reserve, North Western Slopes, New South Wales. Cunninghamia 8(2): 188-201
Hunter, J.T. (2002) A preliminary overview of what is reserved in the Inverell and Yallaroi Shires, North Western Slopes, NSW. Cunninghamia 7(4): 671–681
Jacobs, S.W.L. and Wall, C.A. (1993) Bothriochloa. Pp 439-441 in Harden, G.J. (ed.) Flora of New South Wales. Volume 4. (New South Wales University Press, Sydney)
NSW Scientific Commitee (2004) Bothriochloa biloba (a grass) - removal of vulnerable species listing - final determination.
Porteners, M. and Robertson, G. (2003) Threatened Plants in Western New South Wales: Information Review. (NSW NPWS, Hurstville)

IBRA Bioregion	IBRA Subregion	Known or predicted	Geographic restrictions region

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