Balsaminaceae . . . . Balsams
Impatiens . . . Balsams
Impatiens glandulifera . . . Policeman's-helmet/Himalayan-balsam
Widely distributed introduced invasive along river banks and wet waste areas
Impatiens parviflora . . . Small Balsam
Shady places scattered through BI
Plants with larger yellow flowers (more than 2 cm) are probably I. noli-me-tangere while with orange flowers are I. capensis
Erythranthe is somewhat similar - but with larger flowers:
Erythranthe