Template:Smith, Rothwell & Stockey, 2003

• Smith, S.Y., Rothwell, G.W., & Stockey, R.A. 2003. Cyathea cranhamii sp. nov. (Cyatheaceae), anatomically preserved tree fern sori from the Lower Cretaceous of Vancouver Island, British Columbia. American Journal of Botany 90(5): 755–760. JSTOR  
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