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Germination (mean ± s.e.) of (A) Actinotus leucocephalus and (B) Tersonia cyathiflora seeds at a range of incubation temperatures (10, 15, 20, 25, 30 °C) following 24 months of burial in nylon mesh bags in unburnt soil (triangles) or laboratory storage (circles) at 15 °C. Seeds were incubated in water (open symbols) or smoke water (solid symbols) for 35 days. Lower-case letters indicate significant differences in germination across incubation temperatures for each treatment.
