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Strickland, Sam C.

Panicum hallii

Panicum hallii Vasey

Hall's Panicgrass, Hall's Panic Grass

Poaceae (Grass Family)

Synonym(s):

USDA Symbol: PAHA

USDA Native Status: L48 (N)

From the Image Gallery

7 photo(s) available in the Image Gallery

Plant Characteristics

Duration: Perennial
Habit: Grass/Grass-like
Root Type: Fibrous
Leaf Arrangement: Alternate
Leaf Complexity: Simple
Leaf Venation: Parallel
Inflorescence: Panicle
Fruit Type: Caryopsis
Size Notes: Up to about 3 feet tall.

Bloom Information

Bloom Color: Green , Brown
Bloom Time: Apr , May , Jun , Jul , Aug , Sep , Oct , Nov
Bloom Notes: The flowers (florets) of grasses are often minute and therefore not visible to the naked eye.

Distribution

USA: AZ , CO , LA , NM , OK , TX , UT

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National Wetland Indicator Status

Region:	AGCP	AK	AW	CB	EMP	GP	HI	MW	NCNE	WMVE
Status:	FACU		UPL		FACU	FACU				UPL

This information is derived from: U.S. Army Corps of Engineers. (2023). 2022 National Wetland Plant List, version 3.6. U.S. Army Engineer Research and Development Center, Vicksburg, MS. https://wetland-plants.usace.army.mil/. Click here for map of regions.

From the National Organizations Directory

According to the species list provided by Affiliate Organizations, this plant is on display at the following locations:

Sibley Nature Center - Midland, TX
Brackenridge Field Laboratory - Austin, TX
Patsy Glenn Refuge, c/o Wimberley Birding Society - Wimberley, TX
Nueces River Authority - Uvalde, TX

Web Reference

Webref 38 - Flora of North America (2019) Missouri Botanical Garden, St. Louis, MO & Harvard University Herbaria, Cambridge, MA.
Webref 178 - Flora of the Southeastern United States (2025) North Carolina Botanical Garden; Chapel Hill, NC.

Additional resources

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

Metadata

Record Modified: 2026-06-12
Research By: TWC Staff

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