SPEC: Versicolor


>  (Was it ever decided whether 
> versicolor is a hybrid of virginica?)

Christy,
In the spring, I attended Clarence's judge's training on species. As I
recall, leading opinion (based on chromosome counts) is that I.
versicolor is a naturally occurring cross between I. virginica and I.
hookeri (or I. setosa). What a gift of nature!

R. Dennis Hager
on Delmarva

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