If you want to cite cosmoss.org please use these references:

V1.6 genome annotation, structural and functional annotation, GOA, gbrowse, genonaut, Apollo
Zimmer, A.D., D. Lang, K. Buchta, S. Rombauts, T. Nishiyama, M. Hasebe, Y. van de Peer, S.A. Rensing, R. Reski (2013): Reannotation and extended community resources of the non-seed plant Physcomitrella patens provide insights into the evolution of plant gene structures and functions. BMC Genomics 14, 498.

BLAST and sequence retrieval
Lang D, Eisinger J, Reski R and Rensing S (2005) Representation and high-quality annotation of the Physcomitrella patens transcriptome demonstrates a high proportion of proteins involved in metabolism among mosses. Plant Biol 7:238-250

Analysis of the transcriptome, splice site prediction
Rensing SA, Fritzowsky D, Lang D and Reski R (2005) Protein encoding genes in an ancient plant: analysis of codon usage, retained genes and splice sites in a moss, Physcomitrella patens. BMC Genomics 6:43

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