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. 2010 Feb 25;24:38–48. doi: 10.3767/003158510X494596

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© 2010 Nationaal Herbarium Nederland & Centraalbureau voor Schimmelcultures

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Fig. 4 — Estimated dates of divergence of major clades of Podosphaera based on the divergent domains D1 and D2 sequences of the 28S rDNA and the nucleotide substitution rate of Erysiphaceae (6.5 × 10⁻¹⁰ substitutions per site per year) reported by Takamatsu & Matsuda (2004). Ma, million years ago.