“After discounting doubtful data, C-values for 62 pteridophyte species remained acceptable for analysis.”
“All pteridophyte roots are referred to as adventitious, in the sense that they arise at points along the stem.”
“Lower vascular plant, formerly pteridophyte, also called vascular cryptogam, any of the spore-bearing vascular plants, including the ferns, club mosses, spike mosses, quillworts, horsetails, and whisk ferns.”
“His fields of interest include systematic botany, speciation, and pteridology.”
“New Zealand pteridology is now at the point where purely taxonomic investigations are likely to give way gradually to the study of more complex biosystematic problems.”
“The study of ferns and other pteridophytes is called pteridology.”