BOT 360F - Families of Vascular Plants
Lycophytes (clubmosses and allies); Lycopodium and Huperzia, Selaginella

Clubmoss (Lycopodium sp.) strobilus

Lycopodium spp. strobili (left, right) and spores (center); Huperzia (far right) , to show reniform sporangia

Photos: left, R. Presgrave (TRT 457); center and far right, T. A. Dickinson; right M. Ferguson. All © 1996, 2000, 2008 Royal Ontario Museum.

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Clubmoss (Lycopodium sp.) spores Clubmoss (Lycopodium sp.) with strobili Huperzia with sporangia

Selaginella deflexa (left), small club moss. A 3-lobed megasporangium is clearly visible inside the bend in the fertile axis. The smooth, unlobed sporangia are microsporangia. The megasporangia contain 4 large spores in a tetrahedral configuration while the microsporangia contain hundreds of tiny microspores.

Text and photo from the Vascular Plant Families CD distributed at IBC-XVI by Dr. Gerald D. Carr, Professor, University of Hawaii at Manoa, Botany Department, 3190 Maile Way Honolulu, HI 96822-2279. Sketch notes (below) © K. Chin 2004.

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Please send your comments to tim.dickinson@utoronto.ca; last updated 24-Oct-2010