Tristeza (Spanish and Portuguese for 'sadness') is a primarily instrumental band. The band is based in California, with most members currently living in Oakland.

CITRUS TRISTEZA VIRUS RESISTANCE GENES AND METHODS OF USE
Citrus tristeza virus: a pathogen that changed the course of the citrus industry
The Continuous Challenge of Citrus Tristeza Virus Control
A localized linkage map of the citrus tristeza virus resistance gene region.
The p27 protein is present at one end of citrus tristeza virus particles.
A monoclonal antibody that discriminates strains of citrus tristeza virus.
Unusual sequence relationships between two isolates of citrus tristeza virus.
Genetic variation of Citrus tristeza virus isolates from California and Spain: evidence for mixed infections and recombination
Nucleotide sequence and organization of eight 3' open reading frames of the citrus tristeza closterovirus genome.
Efficient production of transgenic citrus plants expressing the coat protein gene of citrus tristeza virus.