Fig. 3From: Phylogeny of Merlin’s grass (Isoetaceae): revealing an “Amborella syndrome” and the importance of geographic distribution for understanding current and historical diversitySpores of Isoetes wormaldii (Pocock 20009 [BM]). a Megaspore, proximal view (slightly to the side); b Megaspore, distal view (slightly to the side); c Microspore, proximal view (slightly to the side); d Microspore, distal view (slightly to the side). Scale bars: a, b 100 µm; c, d 10 µmBack to article page