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Rank of plant species in the Alaska boreal forest by the estimated average PII from the lowest to the highest. Horizontal bands and numbers in brackets represent the 95% confidence interval of the mean PII scores by species, assuming average species richness and a uniformly distributed random variable θ. Out of a total of 283 species studied in this paper, 17 have missing data. Therefore, the species with the lowest PII value is ranked 266 on the list.
