Home » Plants » Nabalus altissimus

Tall Rattlesnakeroot (Nabalus altissimus (L.) Hook.)

Also known as tall white lettuce, tall rattlesnake root; also classified as Prenanthes altissima L.

Page contents

Range - Expand

LegendColor
Native
Native 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.

Although this plant occurs somewhere in each of these regions, it may only occur in a small part of some or all of them.

Similar Plants

thumbnail of White Rattlesnakeroot
White Rattlesnakeroot (Nabalus albus)
View - Compare (Under Construction)
thumbnail of Three-leaved Rattlesnake Root
Three-leaved Rattlesnake Root (Nabalus trifoliolatus)
View - Compare (Under Construction)

Life Cycle

we could not find any sources verifying this plant's life cycle, but some closely-related Nabalus species are monocarpic perennials, and based on what is known about this species' ecology, it is likely also a monocarpic perennial.

Prenanthes altissima (Tall White Lettuce) | Illinois Wildflowers (About This Site)

Prenanthes altissima (tall rattlesnakeroot) | USDA PLANTS Database (About This Site)

Nabalus altissimus | Biota of North America Project (BONAP) (About This Site)

Nabalus altissimus | Go Botany (About This Site)

Prenanthes altissima | NatureServe Explorer (About This Site)

Prenanthes altissima | Flora of North America (About This Site)

Nabalus altissimus | Missouri Plants (About This Site)

Tall Rattlesnake Root | Maryland Biodiversity Project (About This Site)

Prenanthes altissima L. (Tall Rattlesnake-root) | Digital Atlas of the Virginia Flora (About This Site)

Nabalus altissimus (L.) Hook. | Plants of the World Online (POWO) (About This Site)

Photo gallery

Photo © John Brown, Public Domain.
Photo © Chris Angell, CC BY 4.0.