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APPENDIX 1 
Location of the study sites; see also Table 1. 
Site 1. 34°20'S, 142°20'E. All plants studied were less 
than 50 m W of Campbell Avenue. Rhyncharrhena 
sites on ridge 0.3 km N of 22nd Street. Marsdenia sites 
on ridge 0.3 km farther N. 
Site 2. 34°21'S, 142°21'E. W side of main N-S track 
through reserve, 0.1-0.3 km SE of the intersection of 
the track and Woomera Avenue. 
Site 3. 34°48'S, 142° 17'E. S side of Nardoo Street, Red 
Cliffs. The plants are scattered through the least dis¬ 
turbed area. 
Site 4. 34°48'S, 142°17'E. (a) Marsdenia. Plot 0.6 km 
along Jasmine Track from its N end, then 0.2 km WSW 
of track, (b) Rhyncharrhena. National Parks Service 
plot no. 9E, 0.8 km along Jasmine Track from its N 
end, then 28 m W of track. 
Site 5. 35°10'S, 142°2'E. In the western block of the 
reserve, 0.5 km S of Ouyen Highway down W boun¬ 
dary track just E of where it meets E-W track. 
Site 6. 35°1'S, 141°45'E. (a) Marsdenia. Plot nearSE 
corner of Lake Crosby, 0.2 km along Campground 
Track from its S end, on NE side of track, (b) 
Rhyncharrhena. Plot near S tip of Lake Kenyon, 
0.5 km along Lake Kenyon Track from its W end. 
APPENDIX 2 
Seed sources used 
a) The germination/seed age trial (all Marsdenia). 
1. 22 June 1976. Huckitta Station, Northern Ter¬ 
ritory. 
2. 30 October 1984. Railway and road reserve on 
W side of Calder Highway where it meets 22nd 
Street, about 4 km N of Red Cliffs. 
3. 22 October 1988. As for 2 above. 
4. 27 January 1990. Site 1 (Appendix 1). 
b) The germination/temperature trial used no. 3 
above and the seedling growth trial used no. 4. All 
Rhyncharrhena seeds used were collected at site 1 
(Appendix 1) on 25 January 1990. 
