Regularity: Regularly occurring
Localities documented in Tropicos sources
United States (North America)
Note: This information is based on publications available through Tropicos and may not represent the entire distribution. Tropicos does not categorize distributions as native or non-native.
- Flora of North America Editorial Committee, e. 1993. Pteridophytes and Gymnosperms. 2: i–xvi, 1–475. In Fl. N. Amer. Oxford University Press, New York. http://www.tropicos.org/Reference/10884
Global Range: Four counties of the Missouri Ozarks.
Number of Occurrences
Note: For many non-migratory species, occurrences are roughly equivalent to populations.
Estimated Number of Occurrences: 1 - 5
Comments: Known only from four counties of the Missouri Ozarks (Yatskievych, 1999).
National NatureServe Conservation Status
Rounded National Status Rank: N1 - Critically Imperiled
Names and Taxonomy
Comments: Missouri endemic; a diploid, sexually reproducing subspecies (cf. FNA, 1993, and Yatskievych, 1999).