TABLE 3.

Percentages of divergence of mt LSU rRNA PCR products of P. carinii organisms from different host species

Species (accession no.)	% Divergence
	P. carinii f. sp. hominis	P. carinii f. sp. oryctolagi	P. carinii f. sp. mustelae	P. carinii f. sp. carinii	P. carinii f. sp. ratti	S. cerevisiae L36903
P. carinii f. sp. macaca (AF402684)	12.2	20.8	26.8	28.3	29.2	37.6
P. carinii f. sp. hominis (M58605)		14	15.7	27.5	29.2	33.4
P. carinii f. sp. oryctolagi (S42915)			20.7	23.8	25	35.2
P. carinii f. sp. mustelae (S42921)				21.8	21.7	32.7
P. carinii f. sp. carinii (U20169)					14.1	31.6
P. carinii f. sp. ratti (U20173)						36.6