Expected handedness for Leptuca speciosa is 50% right-handed and 50% left-handed
Observed handedness (based on raw totals across all data sets) is 39.81% right-handed, 60.19% left-handed
The following figure displays the left and right counts for each individual data set.
| Reference | Right Count | Left Count | Right % | Left % | Notes |
|---|---|---|---|---|---|
| Rosenberg (2000) | 1 | 5 | 0.167 | 0.833 | |
| Yamaguchi (1994) | 40 | 57 | 0.412 | 0.588 |