Seeds of South Australia
Rytidosperma duttonianum (Gramineae)
Brown-back Wallaby-grass
List of species for Rytidosperma
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Herbarium regions:
Flinders Ranges, Eastern, Northern Lofty, Murray, Southern Lofty, South Eastern
NRM regions:
Adelaide and Mount Lofty Ranges, Northern and Yorke, South Australian Arid Lands, South Australian Murray-Darling Basin, South East
IBRA regions
Bridgewater (NCP01)Naracoorte Coastal Plain
 Rare   (IUCN: RA d(i,ii))   [edge of range]
Lucindale (NCP03) 
 Rare   (IUCN: RA d(ii))
Fleurieu (KAN02)Kanmantoo
 Rare   (IUCN: RA d(ii))   (Definite Decline)   [grazing a threat]
Mount Lofty Ranges (FLB01)Flinders Lofty Block
 Rare   (IUCN: RA d(ii))   (Probable Decline)   [changed hydrology a threat ]
Broughton (FLB02) 
 Rare   (IUCN: RA d(i,ii))   (Probable Decline)   [Spreads along roadsides with rain. Sparse. Little habitat left]
Olary Spur (FLB03) 
 Rare   (IUCN: RA d(i,ii))   (Probable Decline)   [Spreads along roadsides with rain. Sparse. Little habitat left]
St Vincent (EYB02)Eyre Yorke Block
 Rare   (IUCN: RA d(i,ii))   (Probable Decline)
Murray Mallee (MDD02)Murray Darling Depression
 Endangered   (IUCN: EN B2ab(i,ii,iii,iv))   [loamy soils]
Murray Lakes and Coorong (MDD03) 
 Rare   (IUCN: RA d(ii))   [edge of range]
Lowan Mallee (MDD04) 
 Rare   (IUCN: RA d(i,ii))   (Probable Decline)   [often on roadsides]
Wimmera (MDD05) 
 Rare   (IUCN: RA d(ii))   [stronghold]
Braemer (MDD07) 
 Rare   (IUCN: RA d(i,ii))   (Probable Decline)   [Spreads along roadsides with rain. Sparse. Little habitat left]
RSCA map:
Regional Species Conservation Assessments per IBRA subregion. Please click the thumbnail map.
AVH map:
Australian distribution map (external link)
SA Census:
Census of South Australian plants (external link)     [genus Rytidosperma]
Seeds stored:
LocationNo. of seeds
(weight grams)
Number
of plants
Date
collected
Collection number
Collection location
Date
stored
% ViabilityStorage
temperature
BGA 
MSB
5000 (5.2 g)
5750 (5.5 g)
>10021-Nov-2004DJD 41
Southern Lofty
28-Mar-200655%
BGA12000 (10.23 g)100+21-Dec-2010DJD2087
South Eastern
1-Jan-201250%-18°C
Location: BGA — the seeds are stored at the Adelaide Botanic Gardens, MSB — the seeds are stored at the Millennium Seed Bank, Kew, England.
Number of plants: This is the number of plants from which the seeds were collected.
Collection location: The Herbarium of South Australia's region name.
% Viability: Percentage of filled healthy seeds determined by a cut test or x-ray.