Water Cress (Nasturtium officinale) Mustard Family - 2016-3-31 Newark, DE

TWO ROWS OF SEEDS Water Cress (N. officinale)
-is introduced and can become invasive
-leaf shape variable

Synonyms from plants.usda.gov:
Nasturtium nasturtium-aquaticum (L.) Karsten
Nasturtium officinale W.T. Aiton var. siifolium (Rchb.) W.D.J. Koch
Rorippa nasturtium-aquaticum (L.) Hayek
Sisymbrium nasturtium-aquaticum L

"Plants collected from the wild should be washed carefully prior to consumption to avoid accidental ingestion of microscopic parasites, such as the protozoan Giardia, that may be present in untreated water"
http://www.fs.fed.us/wildflowers/plant-of-the-week/nasturtium_officinale.shtml

http://www.marylandbiodiversity.com/viewSpecies.php?species=2942
http://calphotos.berkeley.edu/cgi/img_query?query_src=photos_index&where-taxon=Nasturtium+officinale
https://www.minnesotawildflowers.info/flower/watercress
http://www.easttennesseewildflowers.com/gallery/index.php/Spring-Flowers-Woodland-White/watercress
http://tcpermaculture.com/site/2013/06/17/permaculture-plants-watercress/
http://plants.usda.gov/java/largeImage?imageID=sina4_001_avd.tif

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ONE ROW OF SEEDS

Onerow Watercress
http://www.google.com/search?tbm=isch&hl=en&source=hp&biw=&bih=&q=Nasturtium+microphyllum&btnG=Search+Images&gbv=1

https://en.wikipedia.org/wiki/Nasturtium_microphyllum

many pictures:
http://www.discoverlife.org/mp/20p?res=640&see=name&name=Nasturtium+microphyllum&selected=1

http://plants.usda.gov/core/profile?symbol=Nami2

https://gobotany.newenglandwild.org/species/nasturtium/microphyllum/

http://calphotos.berkeley.edu/cgi-bin/img_query