Seeds of South Australia
Ranunculus amphitrichus (Ranunculaceae)
Small River Buttercup
List of species for Ranunculus
Display more images
Click on an image to enlarge it
Herbarium regions:
Flinders Ranges, Northern Lofty, Murray, Southern Lofty, Kangaroo Island, South Eastern
NRM regions:
Adelaide and Mount Lofty Ranges, Kangaroo Island, Northern and Yorke, South Australian Arid Lands, South Australian Murray-Darling Basin, South East
IBRA regions
Mount Gambier (SVP02)Southern Volcanic Plain
 Least Concern
Bridgewater (NCP01)Naracoorte Coastal Plain
 Least Concern
Glenelg Plain (NCP02) 
 Least Concern   [in all reserves]
Lucindale (NCP03) 
 Rare   (IUCN: RA d(ii))   (Probable Decline)
Kangaroo Island (KAN01)Kanmantoo
 Near Threatened   [western end of KI]
Fleurieu (KAN02) 
 Near Threatened   (Probable Decline)   [habitat quality decline]
Mount Lofty Ranges (FLB01)Flinders Lofty Block
 Rare   (IUCN: RA d(ii))   (Probable Decline)   [good pops at Scott Ck & Mt Crawford; perennial; changes in hydrology a threat]
Broughton (FLB02) 
 Endangered   (IUCN: EN C2a(i)b)   (Probable Decline)   [spring fed pools, restricted habitat]
Southern Flinders (FLB04) 
 Endangered   (IUCN: EN C2a(i)b)   (Probable Decline)
Central Flinders (FLB06) 
 Endangered   (IUCN: EN B2ab(i,ii,iii))   (Probable Decline)   [climate sensitive; in Wilpena]
Murray Mallee (MDD02)Murray Darling Depression
 Vulnerable   (IUCN: VU B2ab(i,ii,iii))   (Probable Decline)
Murray Lakes and Coorong (MDD03) 
 Near Threatened   (Probable Decline)   [grows in permanent water areas]
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 Ranunculus]
SA Flora:
Flora of South Australia Edition 5
Germination table:
DateResultT0T50Pre-treatment | Germination medium | Incubator: Photoperiod / Thermoperiod
Aug-1496%14 d14 d 500 mg/L gibberellic acid 48 h;
1% agar;
Incubated under spring/autumn conditions
Aug-1496%14 d21 d
1% agar;
Incubated under spring/autumn conditions
Result: Maximum percentage of germination observed.
T0: Number of days before first germinant observed.
T50: Number of days to achieve 50% germination.
Pre-treatment: The initial treatment that the seeds received prior to placement on germination media.
Germination medium: The substrate that seeds were placed on for the duration of the germination experiment.
Incubator conditions:
Photoperiod: The duration of light exposure that the seeds were subject to during a 24 hour period.
Thermoperiod: The constant or diurnal temperatures that seeds were subject to during a 24 hour period.
Winter conditions: 15°C 20 h (3am→11pm); 5°C 4 h (11pm→3am) / 10 h light (8am→6pm); 14 h dark (6pm→8am)
Spring/Autumn conditions: 22°C 12 h (8am→8pm); 10°C 12 h (8pm→8am) / 12 h light (8am→8pm); 12 h dark (8pm→8am)
Summer conditions: 30°C 14 h (6am→8pm); 15°C 10 h (8pm→6am) / 14 h light (6am→8pm); 10 h dark (8pm→6am)