Journal Article 664 phylogeny 429 Research Support, Non-U.S. Gov't 195 taxonomy 129 morphology 127 Phylogeny 85 molecular phylogeny 79 plus ... Research Support, U.S. Gov't, Non-P.H.S. 45 rbcL 39 pathogenicity 37 Morphology 35 DNA, Ribosomal 31 evolution 31 new species 30 ultrastructure 25 RNA, Ribosomal, 16S 24 systematics 24 ITS 23 Taxonomy 22 Review 21 morphometrics 21 biogeography 19 cyanobacteria 16 Plant Proteins 15 dinoflagellate 15 nematode 15 rDNA 14 Algal Proteins 13 SEM 13 Morphometrics 12 moins ...