Number of dioecious
and monomorphic
taxa among pairs of
closely related plants.
A data frame with 28 observations on the following 3 variables.
- dioecious
a numeric vector
- monomorphic
a numeric vector
- taxon.pair
identifier for pair
Source
Heilbuth, J.C. 2000. Lower species richness in dioecious clades.
The American Naturalist 156: 221-241.