Caltha palustris -... en.wikipedia.org

Caltha palustris var.... www.watergardenplants.co.uk...

Caltha palustris var.... www.watergardenplants.co.uk...

Caltha palustris var.... www.shootgardening.com

Caltha palustris var.... www.shootgardening.com

marsh marigold (Caltha... www.alamy.com

E-Flora BC: Electronic... linnet.geog.ubc.ca

Caltha palustris in Flora... www.efloras.org

marsh marigold (Caltha... www.inaturalist.org

marsh marigold (Caltha... www.inaturalist.org

Caltha palustris -... en.wikipedia.org

Plant of the Week, 11th... botsocscot.wordpress.com

Plant of the Week, 11th... botsocscot.wordpress.com

Caltha - Wikipedia en.wikipedia.org

E-Flora BC Atlas Page linnet.geog.ubc.ca

Caltha palustris - Water... www.watergardenplants.co.uk...

Marsh Marigold (Caltha... garden.org

marsh marigold (Caltha... www.inaturalist.org

The yellow flower of Caltha... www.alamy.com

USDA Plants Database plants.sc.egov.usda.gov