Appendix C. Female Papilio machaon aliaska oviposition preferences for the parent polar extract compared to the F3 fraction of Cnidium cnidiifolium, Artemisia arctica, and Petasites frigidus. Tukey-Kramer adjusted t values are reported for differences in the least squares means between treatments.
| Bioassay | df | t value | P value |
| C. cnidiifolium | |||
| Polar > control | 35 | 8.22 | <0.0001 |
| F3 > control | 35 | 9.50 | <0.0001 |
| F3 > polar | 35 | 1.28 | 0.41 |
| A. arctica | |||
| Polar > control | 35 | 13.01 | <0.0001 |
| F3 > control | 35 | 10.50 | <0.0001 |
| F3 > polar | 35 | 2.50 | 0.04 |
| P. frigidus | |||
| Polar > control | 22 | 6.92 | <0.0001 |
| F3 > control | 22 | 7.16 | <0.0001 |
| F3 > polar | 22 | 0.24 | 0.96 |