En EspaŅol
Paspalum distichum (Knotgrass) | NPIN

NPIN: Native Plant Database

Search for native plants by scientific name, common name or family. If you are not sure what you are looking for, try the Combination Search or our Recommended Species lists.

Search native plant database:
See a list of all Plants

Paspalum distichum (Knotgrass)
San Antonio River Authority

Paspalum distichum

Paspalum distichum L.


Poaceae (Grass Family)

Synonym(s): Digitaria paspaloides, Paspalum distichum var. indutum, Paspalum paspaloides

USDA Symbol: PADI6

USDA Native Status: L48 (N), HI (I), PR (N), VI (N)

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.


Plant Characteristics

Duration: Perennial
Habit: Grass/Grass-like
Leaf: Green

Bloom Information

Bloom Color: Green
Bloom Time: Jul , Aug


USA: AL , AR , AZ , CA , FL , GA , HI , ID , KS , KY , LA , MD , MS , NC , NJ , NM , NV , OK , OR , PA , SC , TN , TX , UT , VA , WA

Growing Conditions

Water Use: High
Light Requirement: Sun
CaCO3 Tolerance: High

Butterflies and Moths of North America (BAMONA)

Paspalum distichum is a larval host and/or nectar source for:
Sunrise Skipper
(Adopaeoides prittwitzi)
Larval Host
Learn more at BAMONA

From the National Suppliers Directory

According to the inventory provided by Associate Suppliers, this plant is available at the following locations:

Sanibel-Captiva Conservation Foundation Native Plant Nursery - Sanibel, FL

Herbarium Specimen(s)

NPSOT 1046 Collected Jun 5, 1995 in Bexar County by Mike Fox

1 specimen(s) available in the Digital Herbarium


Bibref 1186 - Field Guide to Moths of Eastern North America (2005) Covell, C.V., Jr.
Bibref 1185 - Field Guide to Western Butterflies (Peterson Field Guides) (1999) Opler, P.A. and A.B. Wright

Search More Titles in Bibliography

Recommended Species Lists

Find native plant species by state. Each list contains commercially available species suitable for gardens and planned landscapes. Once you have selected a collection, you can browse the collection or search within it using the combination search.

View Recommended Species page

Additional resources

USDA: Find Paspalum distichum in USDA Plants
FNA: Find Paspalum distichum in the Flora of North America (if available)
Google: Search Google for Paspalum distichum


Record Modified: 2012-07-02
Research By: TWC Staff

Go back

© 2014 Lady Bird Johnson Wildflower Center