Nothophytophthora gen. nov., a new sister genus of Phytophthora from natural and semi-natural ecosystems

. 2017 Aug 7;39:143–174. doi: 10.3767/persoonia.2017.39.07

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Fig. 8 — Sporangia of *Nothophytophthora valdiviana* formed on V8 agar flooded with soil extract. — a–p. Mature non-papillate to shallow semipapillate sporangia with conspicuous basal plugs; a–f. ovoid; a–b, d. with differentiated zoospores to be released soon; b. with beginning external proliferation close to the sporangial base (arrows); g. ellipsoid with beginning external proliferation, just breaking off at base of pedicel-like basal plug; h. obpyriform, just before zoospore release; i. limoniform; j. limoniform with vacuole, external proliferation and swelling on the sporangiophore (arrow); k. small sympodium of two ovoid to limoniform sporangia with vacuoles, resulting from external proliferation; l. dense sympodium of ovoid and mostly limoniform sporangia, some with small vacuoles; m. ovoid sporangium breaking off at base of pedicel-like basal plug (arrow); n–o. ovoid, caducous sporangia with vacuoles and short pedicel-like basal plugs; p. same sporangium as in d releasing zoospores; q. empty sporangia showing internal nested and extended proliferation, and external proliferation (arrows). — Scale bar = 25 μm, applies to a–q.

Fig. 8.