Horsetails and ferns are a monophyletic group and the closest living relatives to seed plants.
Molecular Sequence Data
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Schneider, H; Smith, AR; Pryer, KM (Systematic Botany, 2009-07-01)Using a morphological dataset of 136 vegetative and reproductive characters, we infer the tracheophyte phylogeny with an emphasis on early divergences of ferns (monilophytes). The dataset comprises morphological, anatomical, ...
Busch, Wolfgang; Benfey, Philip N (Development, 2010-04)Plants exhibit different developmental strategies than animals; these are characterized by a tight linkage between environmental conditions and development. As plants have neither specialized sensory organs nor a nervous ...
Localization of DIR1 at the tissue, cellular and subcellular levels during Systemic Acquired Resistance in Arabidopsis using DIR1:GUS and DIR1:EGFP reporters. Champigny, Marc J; Shearer, Heather; Mohammad, Asif; Haines, Karen; Neumann, Melody; Thilmony, Roger; He, Sheng Yang; ... (10 authors) (BMC plant biology, 2011-01)BACKGROUND: Systemic Acquired Resistance (SAR) is an induced resistance response to pathogens, characterized by the translocation of a long-distance signal from induced leaves to distant tissues to prime them for increased ...