Nierembergia scoparia -... en.wikipedia.org

Nierembergia, Broom Cup... mygardenlife.com

Online Plant Guide -... www.onlineplantguide.com

File:Nierembergia scoparia... commons.wikimedia.org

Nierembergia scoparia -... www.wikidata.org

How to Grow and Care for... www.thespruce.com

Nierembergia scoparia -... www.olelantanaseeds.com.au

Nierembergia – Wisconsin... hort.extension.wisc.edu

Purple Robe Cupflower... plants.jollylane.com

Nierembergia scoparia (Tall... fsus.ncbg.unc.edu

cupflower (Nierembergia... www.perenual.com

Nierembergia – Wisconsin... hort.extension.wisc.edu

How to Grow and Care for... www.thespruce.com

Photo of the entire plant... garden.org

Kansas Roots Mobile Plant... www.kansasroots.org

White Robe Cupflower... plants.familytreenursery.co...

Nierembergia scoparia (Tall... fsus.ncbg.unc.edu

Nierembergia scoparia... plantlust.com

How to Plant and Grow... www.bhg.com

SEINet Portal Network -... swbiodiversity.org