Research Article
Status and Trend of Regal Fritillary (Speyeria idalia) (Lepidoptera: Nymphalidae) in the 4th of July Butterfly Count Program in 1977–2014
Table 1
Spearman rank correlations of measures of count effort with year (trend over time) in core Regal range.
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2 counts were missing party-hours in the reports. |