Journal Article 685 phylogeny 447 Research Support, Non-U.S. Gov't 199 taxonomy 132 morphology 128 Phylogeny 86 molecular phylogeny 80 plus ... Research Support, U.S. Gov't, Non-P.H.S. 45 rbcL 40 pathogenicity 38 Morphology 36 evolution 32 DNA, Ribosomal 31 new species 30 RNA, Ribosomal, 16S 26 ultrastructure 25 systematics 24 ITS 23 Taxonomy 23 Review 22 morphometrics 22 biogeography 19 cyanobacteria 16 Plant Proteins 15 dinoflagellate 15 nematode 15 rDNA 14 Algal Proteins 13 Morphometrics 13 SEM 13 moins ...