Roldana petasitis (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Roldana petasitis" in English language version.

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ars-grin.gov

npgsweb.ars-grin.gov

"Roldana petasitis". Germplasm Resources Information Network. Agricultural Research Service, United States Department of Agriculture. Retrieved 2008-05-23.

bhg.com

Velvet Groundsel Better Homes & Gardens. Retrieved 28 March 2023.

gardenriots.com

Roldana cristobalensis (formerly Senecio cristobalensis…now, Roldana petasitis var. cristobalensis) GardenRiots Horticultural Forays Into a Changing Urban World

kew.org

powo.science.kew.org

Roldana petasitis var. cristobalensis (Greenm.) FunstonBoard of Trustees of the Royal Botanic Gardens, Kew Retrieved 12 April 2023.
Roldana petasitis var. oaxacana (Hemsl.) Funston Board of Trustees of the Royal Botanic Gardens, Kew Retrieved 12 April 2023.
Roldana petasitis var. sartorii (Sch.Bip. ex Hemsl.) Funston Board of Trustees of the Royal Botanic Gardens, Kew Retrieved 12 April 2023.

lucidcentral.org

keyserver.lucidcentral.org

Roldana petasitis (Sims) H. Rob. & Brettell Environmental Weeds of Australia.

nsw.gov.au

plantnet.rbgsyd.nsw.gov.au

Roldana petasitis (Sims) H.Rob. & Brettell PlantNET. Retrieved 22 August 2023.

researchgate.net

Taxonomic Revision of Roldana (Asteraceae: Senecioneae), a Genus of the Southwestern U.S.A., Mexico, and Central America1 Annals of the Missouri Botanical Garden by A. Michele Funston. January 2009. Retrieved 25 July 2023.

specialplants.net

Senecio cristobalensis syn. Roldana petasitis var. cristobalensis Special Plants.net by Derry Watkins. Retrieved 12 April 2023.

stevenfoster.com

Steven Foster's Images of Senecio petasitis, Roldana petasitis, Velvet Grounsel, California geranium Steven Foster Photography

usda.gov

plants.usda.gov

Natural Resources Conservation Service (NRCS). "PLANTS Profile, Roldana petasitis". The PLANTS Database. United States Department of Agriculture. Retrieved 2008-05-23.