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3. Presencia de Sciadophyton Steinmann en el Devónico inferior de las series de Monterrubio de la Serena (Badajoz, España);Álvarez Ramis;Coloquios de Paleontología,1995
4. Iberian floras through time: Land of diversity and survival;Carrión;Review of Palaeobotany and Palynology,2010
5. Discovery of a Lochkovian flora (Lower Devonian) in the Iberian Peninsula;Cascales-Miñana;Geodiversitas,2011