Regional Species Conservation Assessments per IBRA subregion.

Least concern

Near threatened

Rare

Vulnerable

Endangered

Critically endangered

Extinct

Data deficient

Adelaide

Arkaroola

Ceduna

Coober Pedy

Hawker

Innamincka

Marla

Marree

Mount Gambier

Oodnadatta

Renmark

Wudinna

Keith

Yunta

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IBRA regions

LEGEND

Kangaroo Island (KAN01)	Kanmantoo	Rare   (IUCN: RA d(ii))   [protected in several reserves]
Southern Flinders (FLB04)	Flinders Lofty Block	Data Deficient
Southern Yorke (EYB01)	Eyre Yorke Block	Data Deficient   [One subpopulation, data deficient. Changing to Cyrtostylis tepperi]
St Vincent (EYB02)		Endangered   (IUCN: EN C2a(i))   (Definite Decline)   [Split into 2 species (other spp Cyrtostylis tepperi). Three subpopulations for C.nigricans - Halbury, Zaches, Agery.]
Eyre Hills (EYB03)		Data Deficient   [no records]
Talia (EYB04)		Data Deficient   [no records]
Murray Mallee (MDD02)	Murray Darling Depression	Near Threatened   (Definite Decline)   [also known as G tepperi - correct name is Corunastylis tepperi]
Lowan Mallee (MDD04)		Least Concern   (Probable Decline)   [undercollected]

Prior names

Corunastylis tepperi

Prasophyllum tepperi

Corunastylis nigricans

Prasophyllum nigricans

Prasophyllum fuscoviride

Prasophyllum tepperi

Common names

Dusky Midge-orchid

Black Midge-orchid

Mallee Midge-orchid

Distribution and status

Herbarium regions: Flinders Ranges, Eyre Peninsula, Northern Lofty, Murray, Yorke Peninsula, Kangaroo Island, South Eastern
AVH map: SA distribution map (external link)