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Family Genus Specific epithet Specific authority Infraspecific epithet Infraspecific authority
2C mean1(pg) 2C mean1(mbp) 2C range1 pg Life cycle
Other specifications (cultivar, population, strain, etc.) Original reference Journal Year
Telomere type Telomere type based in genome sequenced hybrid
Number of 5S signals Range of 5S signals Position2 of 5S signals (5S P)
Number of 35S3 signals Range of 35S signals Position2 of 35S signals (35S P) Arrangement
Total number of rDNA signals (5S+35S) (Total) Number of chromosomes with both 5S and 35S signals (SC)
Number of chromosomes with both 5S and 35S in the same arm (SA) Number of chromosomes with co-localized 5S and 35S signals (Coloc.)

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Family   Genus   Specific epithet
Chromosome number from: -   Ploidy level from: -

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1 1C genome size and n chromosome number for bryophytes.
2 Position refers to that of most chromosomes in the species and can be either interstitial (i), (peri-)centromeric (c) and (sub-)terminal or satellite (t).
3 35S=45S=18S-5.8S-26S rDNA

How to cite?

Reference to this work should be cited thus:

Garcia S, Garnatje T, Kovařík A. (2012) Plant rDNA database: ribosomal DNA loci information goes online. Chromosoma 121: 389-394. PDF

Garcia S, Gálvez F, Gras A, Kovařík A, Garnatje T. (2014) Plant rDNA database: update and new features. Database, 2014, bau063. PDF

Vitales D, D'Ambrosio U, Gálvez F, Kovařík A, Garcia S. (2017) Third release of the plant rDNA database with updated content and information on telomere composition and sequenced plant genomes. Plant Systematics and Evolution, submitted. Plant Systematics and Evolution 303: 1115-1121.

Rodríguez-González R, Gutiérrez ML, Fuentes I, Gálvez-Prada F, Sochorova J, Kovařík A, Garcia S. (2023) Release 4.0 of the plant rDNA database, a database on plant ribosomal DNA loci number, position and organization, useful for comparative cytogenetics. In: Plant Genomic and Cytogenetic Databases: Methods and Protocols. Methods in Molecular Biology. Editors: Sònia Garcia and Neus Nualart. In press.

Database environment by F. Gálvez.

We acknowledge Pere Barnola ( and for most of the plant pictures that illustrate the webpage. Fluorescent in situ hybridisation pictures from Sònia Garcia (University of Barcelona). Remaining pictures have been obtained through Wikimedia Commons under the terms of a Creative Commons license.