discina macrospora: a discina with a flat or saucer-shaped fertile body that is brown on the upper surface; has a short stalk; not recommended for eating
false morel: a fungus of the family Helvellaceae
regression coefficient: when the regression line is linear (y = ax + b) the regression coefficient is the constant (a) that represents the rate of change of one variable (y) as a function of changes in the other (x); it is the slope of the regression line