Phylogeny of Agavaceae based on ITS rDNA sequence variation
Bogler D. J. and Simpson B. B. (1996). Phylogeny of Agavaceac based on ITS rDNA sequence variation. American Journal of Botany 83:1225-1235. (Pubitemid 26369136)
Internal transcribed spacer region evolution in Larix and Pseudotsuga (Pinaceae)
Gernandt D. S. and Liston A. (1999). Internal transcribed spacer region evolution in Larix and Pseudotsuga (Pinaceae). American journal of Botany 86:711-723.
Variation and inheritance of ribosomal DNA in Pinus sylvestris L. (Scots pine)
Karvonen P. and Savolainen O. (1993). Variation and inheritance of ribosomal DNA in Pinus sylvestris L. (Scots pine). Heredity 71, 614-622. (Pubitemid 2030845)
Length variation in the internal transcribed spacers of ribosomal DNA in Picea abies and related species
Karvonen P., Szmidt, A. E. and Savolainen, O. (1994). Length variation in the internal transcribed spacers of ribosomal DNA in Picea abies and related species. Theoretical and Applied Genetics 89:969-974.
Length variation in the nuclear ribosomal DNA internal transcribed spacer region of non-flowering seed plants
Liston A., Robinson W. A. and Oliphant J. M. (1996). Length variation in the nuclear ribosomal DNA internal transcribed spacer region of non-flowering seed plant. Systematic Botany 21:109-120. (Pubitemid 27013034)
A conserved sequence in internal transcribed spacer 1 of plant nuclear rRNA genes
Liu, J. S. and Schardl, C. L. (1994). A conserved sequence in internal transcribed spacer 1 of plant nuclear rRNA genes. Plant Molecular Biology 26:775-778. (Pubitemid 2158305)
Lengths and nucleotide sequences of the internal spacers of nuclear ribosomal DNA in gymnosperms and pteridophytes
Maggini F., Marrocco R., Gelati M. T. and De Dominicis R. I. (1998). Lengths and nucleotide sequences of the internal spacers of nuclear ribosomal DNA in gymnosperms and pteridophytes. Plant Systematica and Evolution 213:193-205.
Nucleotide sequence of the internal transcribed spacers and 5.8S region of ribosomal DNA in Pinus pinea L
Marrocco, R., Gelati, M. T. and Maggini, F. (1995). Nucleotide sequence of the internal transcribed spacers and 5.8S region of ribosomal DNA in Pinus pinea L. DNA sequence-The Journal of Sequencing and Mapping 6:175-177. (Pubitemid 126662187)