Pseudognaphalium saxicola

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Pseudognaphalium saxicola
Status TNC T2.svg
Imperiled  (NatureServe) [1]
Scientific classification Red Pencil Icon.png
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Asterids
Order: Asterales
Family: Asteraceae
Genus: Pseudognaphalium
Species:
P. saxicola
Binomial name
Pseudognaphalium saxicola
(Fassett) H.E. Ballard & Feller
Synonyms [2] [3] [4]
  • Gnaphalium obtusifolium var. saxicola(Fassett) Cronquist
  • Gnaphalium saxicolaFasset
  • Pseudognaphalium obtusifolium var. saxicola(Fassett) Kartesz

Pseudognaphalium saxicola, common name cliff cudweed or rabbit-tobacco, is a rare plant species endemic to the state of Wisconsin in the United States. It grows on ledges and in cracks in shaded limestone cliff-faces, usually those facing south or east. [2] [5] The species is listed as Threatened in Wisconsin and is assessed as T2 (Imperiled) by NatureServe. [6] [7]

Pseudognaphalium saxicola is an annual, covered with a thick coat of dense, woolly hairs. It produces a cluster of 2–4 small flower heads at the tips of the branches. [2] [8] [9] [10]

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References

  1. https://explorer.natureserve.org/Taxon/ELEMENT_GLOBAL.2.143467/Pseudognaphalium_obtusifolium_ssp_saxicola.{{cite web}}: Missing or empty |title= (help)
  2. 1 2 3 Flora of North America
  3. Tropicos
  4. The Plant List
  5. Nesom, G. L. 2004d. Pseudognaphalium canescens(Asteraceae: Gnaphalieae) and putative relatives in western North America. Sida 21: 781–790.
  6. "NatureServe Explorer 2.0". explorer.natureserve.org. Retrieved 2023-01-19.
  7. "Cliff Cudweed (Pseudognaphalium saxicola) - Wisconsin DNR". dnr.wi.gov. Retrieved 2023-01-19.
  8. Ballard, Harvey Eugene, & Feller, Danielle Sky. Sida 21(2): 777. 2004.
  9. Fassett, Norman Carter. Rhodora 33(387): 75. 1931.
  10. Cronquist, Arthur John. Rhodora 48(570): 121. 1946.