Taxon: Packera glabella (Poir.) C. Jeffrey

• Check PlantSearch database of Botanic Gardens Conservation International for possible non-NPGS germplasm.

A declared aquatic or terrestrial noxious weed and/or noxious-weed seed in these U.S. states (see state noxious weed lists), with links to state information or web documents:

OH(as Senecio glabellus)*.

ªAquatic.

*Terrestrial.

°In seed.

Link to noxious weed information from

Common names:

• butterweed   (Source: F Tex [as Senecio glabellus]) – English
  
• cress-leaf groundsel   (Source: NPB State Noxweed OK [as Senecio glabellus]) – English
  
• yellowtop   (Source: F SE US OK [as Senecio glabellus]) – English
  

Economic importance:

• Vertebrate poisons: mammals   (fide Kingsbury, as Senecio glabellus)
  
• Weed   (fide Glea Cron ed2, as Senecio glabellus)
  

More:

View toxicology references for Packera glabella from FDA Poisonous Plant Database

View ethnobotanical data from Moerman's Native American Ethnobotany Database

Distributional range:

• NORTHERN AMERICA (Check conservation status in U.S. & Canada in NatureServe Explorer database)
  Northeastern U.S.A.: United States - Indiana
  North-Central U.S.A.: United States - Illinois, Kansas, Missouri, Nebraska, Oklahoma
  Southeastern U.S.A.: United States - Alabama, Arkansas, Florida, Georgia, Kentucky, Louisiana, Mississippi, North Carolina, South Carolina
  South-Central U.S.A.: United States - Texas

References:

• Correll, D. S. & M. C. Johnston. 1970. Manual of the vascular plants of Texas. [= Senecio glabellus].
• FNA Editorial Committee. 1993–. Flora of North America.
• Radford, A. E. et al., eds. 1980–. Vascular flora of the southeastern United States. [= Senecio glabellus].

More:

Search AGRICOLA article citation database for citations referencing Packera glabella.

Search NCBI's Entrez search engine for PubMed citations referencing Packera glabella.

Search Biodiversity Heritage Library for historical publications referencing Packera glabella.

Synonyms:

• (≡) Senecio glabellus Poir. (basionym)
  

Check other web resources for Packera glabella (Poir.) C. Jeffrey:

• Flora of North America: Collaborative Floristic Effort of North American Botanists
• PLANTS: USDA-NRCS Database of Plants of the United States and its Territories
• BONAP: North American Plant Atlas of the Biota of North America Program
• TROPICOS: Nomenclatural and Specimen Database of the Missouri Botanical Garden
• ePIC: Electronic Plant Information Centre of Royal Botanic Gardens, Kew
• AGRICOLA: Article Citation Database or NAL Catalog of USDA's National Agricultural Library
• Entrez: NCBI's search engine for PubMed citations, GenBank sequences, etc.

Check other web resources for images:

• PlantSystematics.org
• Note: Be advised that their identity may be inaccurate. Proper identification of a plant may require specialized taxonomic knowledge or comparison with properly documented herbarium material.

Abbreviations & symbols in GRIN Taxonomy

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