Hieracium umbellatum (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Hieracium umbellatum" in English language version.

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746^th place

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Botanic Garden and Botanical Museum Berlin-Dahlem (June 5, 2007). "Details for: Hieracium umbellatum". The Euro+Med Plantbase. Botanic Garden and Botanical Museum Berlin-Dahlem. Retrieved 2007-12-21.

Natural Resources Canada (2007-12-21). "Hieracium umbellatum L." Canada's Plant Hardiness Site. Government of Canada. Retrieved 2007-12-27.

Natural Resources Conservation Service (2007). "PLANTS Profile for Hieracium canadense Michx". The PLANTS Database. USDA, Baton Rouge, LA 70874-4490 USA. Retrieved 2007-12-18.

Wisconsin State Herbarium. "WI Vascular plants-Hieracium kalmii". Wisconsin Botanical Information System. Wisconsin State Herbarium. Retrieved 2007-12-21.