Heliopsis helianthoides (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Heliopsis helianthoides" in English language version.

refsWebsite

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1,026^th place

582^nd place

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336^th place

1theplantlist.org

480^th place

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1web.archive.org

1^st place

1^st place

6,854^th place

3,619^th place

732^nd place

800^th place

1missouribotanicalgarden.org

5,410^th place

3,396^th place

9,082^nd place

5,078^th place

bonap.net

"Heliopsis helianthoides". County-level distribution map from the North American Plant Atlas (NAPA). Biota of North America Program (BONAP). 2014.

bsbi.org

BSBI List 2007 (xls). Botanical Society of Britain and Ireland. Archived from the original (xls) on 2015-06-26. Retrieved 2014-10-17.

efloras.org

Smith, Alan R. (2006). "Heliopsis helianthoides". In Flora of North America Editorial Committee (ed.). Flora of North America North of Mexico (FNA). Vol. 21. New York and Oxford: Oxford University Press – via eFloras.org, Missouri Botanical Garden, St. Louis, MO & Harvard University Herbaria, Cambridge, MA.

missouribotanicalgarden.org

Heliopsis helianthoides. Missouri Botanical Garden, Gardening help

rhs.org.uk

"AGM Plants - Ornamental" (PDF). Royal Horticultural Society. July 2017. p. 43. Retrieved 3 March 2018.
"Heliopsis helianthoides var. scabra 'Benzinggold'". RHS Plant Selector. Royal Horticultural Society. Retrieved 6 August 2020.
"Heliopsis helianthoides var. scabra 'Light of Loddon'". RHS Plant Selector. Royal Horticultural Society. Retrieved 6 August 2020.
"Heliopsis helianthoides Loraine Sunshine='Helhan'". RHS. Retrieved 6 August 2020.
"Heliopsis helianthoides var. scabra 'Sonnenglut'". RHS. Retrieved 6 August 2020.
"Heliopsis helianthoides var. scabra 'Spitzentänzerin'". RHS Plant Selector. Royal Horticultural Society. Retrieved 6 August 2020.
"Heliopsis helianthoides var. scabra 'Waterperry Gold'". RHS Plant Selector. Royal Horticultural Society. Retrieved 6 August 2020.

theplantlist.org

"Heliopsis helianthoides". The Global Compositae Checklist (GCC) – via The Plant List. Note that this website has been superseded by World Flora Online

usda.gov

plants.sc.egov.usda.gov

USDA, NRCS (n.d.). "Heliopsis helianthoides". The PLANTS Database (plants.usda.gov). Greensboro, North Carolina: National Plant Data Team. Retrieved 19 January 2016.

plants.usda.gov

Heliopsis helianthoides. USDA NRCS Plant Guide.

web.archive.org

BSBI List 2007 (xls). Botanical Society of Britain and Ireland. Archived from the original (xls) on 2015-06-26. Retrieved 2014-10-17.