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Number of (A) Actinotus leucocephalus and (B) Tersonia cyathiflora seeds filled (mean ± s.e.) after burial in nylon mesh bags for 6, 12, 18 and 24 months in unburnt (open circles) and recently burnt (solid circles) soil. Different lower-case letters indicate significant differences in the proportion of filled seeds over time. Letters above and below the symbols refer to seeds buried in the unburnt and burnt sites, respectively.
