Native Plants
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Ruppia cirrhosa
Ruppia cirrhosa (Petagna) Grande
Spiral Ditchgrass, Ditch Grass, Spiral Ditch-grass
Ruppiaceae (Ditch-grass Family)
Synonym(s): Ruppia cirrhosa ssp. occidentalis, Ruppia maritima var. occidentalis, Ruppia maritima var. spiralis, Ruppia occidentalis, Ruppia spiralis
USDA Symbol: RUCI2
USDA Native Status: L48 (N), AK (N), PR (N), VI (N), CAN (N)
From the Image Gallery
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Plant Characteristics
Duration: PerennialHabit: Herb
Fruit Type: Drupe
Size Notes: Stems up to about 2 feet long, including submerged portion. Only a few inches may be visible above the water.
Bloom Information
Bloom Color: Green , BrownBloom Time: Apr , May , Jun , Jul , Aug , Sep , Oct
Distribution
USA: AK , AR , AZ , CA , CO , IA , ID , IL , MI , MN , MO , MT , ND , NE , NM , NV , OH , OK , OR , SD , TX , UT , WA , WI , WYCanada: AB , BC , MB , NT , SK , YT
Native Habitat: Wetlands, mostly inland fresh water lakes with high concentrations of sulfur or calcium.
National Wetland Indicator Status
Region: | AGCP | AK | AW | CB | EMP | GP | HI | MW | NCNE | WMVE |
Status: | OBL | OBL | OBL | OBL | OBL | OBL | OBL | OBL | OBL |
Web Reference
Webref 30 - Calflora (2018) CalfloraWebref 3 - Flora of North America (2014) Missouri Botanical Garden, St. Louis, MO & Harvard University Herbaria, Cambridge, MA.
Webref 23 - Southwest Environmental Information Network (2009) SEINet - Arizona Chapter
Additional resources
USDA: Find Ruppia cirrhosa in USDA PlantsFNA: Find Ruppia cirrhosa in the Flora of North America (if available)
Google: Search Google for Ruppia cirrhosa
Metadata
Record Modified: 2020-02-12Research By: CBR