Figure 2. Phylogenetic tree of hantaviruses associated with Peromyscus species rodents. Figure provides a detailed view of clade P in Figure 1. S indicates clade containing classical SN virus samples detected in humans or P. maniculatus. See Figure 1 legend for overall tree description. Additional species source of material abbreviations include: Pm, Peromyscus maniculatus; Pl, Peromyscus leucopus, Prg.fasc, Perognathus fasciatus; Tam.quad, Tamias quadrimaculatus; Pt, Peromyscus truei; Mus musc., Mus musculus, and Tam.dors., Tamias dorsalis. Samples from historic materials are followed by an H.