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San Antonio River Authority
Paspalum distichum L.
Poaceae (Grass Family)
Synonym(s): Digitaria paspaloides, Paspalum distichum var. indutum, Paspalum paspaloides
USDA Symbol: padi6
Knotgrass is a member of the grass family (family Poaceae). Grasses are herbs, rarely woody, with cylindrical, jointed flowering stems (culms), hollow between the joints, leaves often mostly basal and tiny flowers aggregated into highly modified clusters.
Bloom InformationBloom Color: Green
Bloom Time: Jul , Aug
Growing ConditionsWater Use: High
Light Requirement: Sun
CaCO3 Tolerance: High
Butterflies and Moths of North America (BAMONA)
is a larval host and/or nectar source for:
National Wetland Indicator Status
This information is derived from the U.S. Army Corps of Engineers National Wetland Plant List, Version 3.1
(Lichvar, R.W. 2013. The National Wetland Plant List: 2013 wetland ratings. Phytoneuron 2013-49: 1-241). Click here
for map of regions.
Herbarium Specimen(s)NPSOT 1046
Collected Jun 5, 1995 in Bexar County by Mike Fox
Record Last Modified: 2012-07-02
Research By: TWC Staff