Rorippa sylvestris [Creeping Yellow-cress]: CR MA SA Y-FY

[Andrea B.]

Blum, A.G. (2013) Rorippa sylvestris (L.) Bess. (Brassicaceae) Creeping Yellow-Cress. Flowers photographed in ultraviolet and visible light. http://www.ultraviol...g-yellow-cress/

 

Southwest Harbor, Maine, USA

03 August 2012

Wildflower

 

Synonyms:

• Nasturtium sylvestre (L.) R. Br.
• Radicula sylvestris (L.) Druce
• Sisymbrium sylvestre L.

Comment:

This tiny-flowered Yellow-Cress has become an invasive species across North America. In UV its dark veining is not as prominent as other cresses.

 

Reference:

1. New England Wild Flower Society (2013) Rorippa sylvestris. http://gobotany.newe...ppa/sylvestris/

http://gobotany.newe...ppa/sylvestris/

 

Equipment [Nikon D300-broadband + Novoflex 35mm f/3.5 Noflexar]

 

Visible Light [f/8 for 1/60" @ ISO-800 with onboard Flash and Baader UVIR-Block Filter]

 

Visible Light [f/8 for 1/60" @ ISO-800 with onboard Flash and Baader UVIR-Block Filter]

 

Ultraviolet Light [f/8 for 1/60" @ ISO-800 with SB-14 UV-modified Flash and Baader UV-Pass Filter]