Robert W. Freckmann Herbarium


  Ruppia cirrhosa (Petagna) Grande image
Photographer: Robert W. Freckmann           

Botanical Illustration

Kurt Stüber

Robert W. Freckmann

Robert W. Freckmann
Family Ruppiaceae
Ruppia cirrhosa (Petagna) Grande
spiral ditch-grass
Ruppia: named after Heinrich Bernhard Ruppius (1688-1719), a German botanist
cirrhosa: cirrhus for "curl, ringlet, tuft of hair, tendril;"osus for "many"
County distribution map- click for detailed distribution maps.
Detailed Distribution:
Town Range Maps
Google Dot Maps
Status: Native
Plant: perennial, submersed aquatic; stems long, spiral-twisted flower stalk
Fruit:umbel cluster
Leaf:stiff, thin scattered on stem; large open sheath at base
Habitat: wet; very alkaline water to 7' deep
(Glossary)

More Information Natural Communities Herbarium Specimens
All Ruppia list Google- Images or Text

Flora of North America (off site)
Synonyms 
Buccaferrea cirrhosa Petagna
Ruppia cirrhosa (Petagna) Grande subsp. occidentalis (S.Watson) A.Löve & D.Löve
Ruppia maritima L. var. occidentalis (S.Watson) Graebn.
Ruppia maritima L. var. spiralis Morris
Ruppia occidentalis S.Watson

         
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