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White Wand Beardtongue (Penstemon tubaeflorus Nutt.)

Also classified as Penstemon tubiflorus (Misspelling).

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Range - Expand

Native or Not Present
Introduced or Not Present
Expanded or Not Present

This tentative map is based on our own research. It may have limited data on Canada and/or Mexico, and there is some subjectivity in our assignment of plants as introduced vs. expanded. Read more in this blog post.

We marked part of this species new range (only in Wisconsin) expanded, but the rest in the northeast introduced. This species is widely grown in gardens, from which it can escape into the wild. The Wisconsin section of the range consists of spotted introductions that fit a similar pattern to the neighboring parts of its native range. On the other hand, the populations in the northeast are expanding more aggressively, and these are separated from this plant's native range by a large area that includes a region (in Indiana and Ohio) where this species has gone locally extinct, and west of this, a region where it is uncommon. These portions of this species range remain separated by large areas and show no sign that they will connect or fill-in any time soon. We may reclassify these populations if this situation changes.