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Park			Taxon Code
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National Park Service
U.S. Department of the Interior

NPSpecies - Park Species Profile


Helianthus decapetalus
thinleaf sunflower
Indiana Dunes National Park
			Record Status: Approved
Occurrence:	Present
Nativeness:	Native
Abundance:	Rare

Scientific Name with Authority:		Helianthus decapetalus L.
Park Preferred Common Name(s):
Park Synonyms:

Taxonomic Hierarchy:		Kingdom Plantae, Phylum Tracheophyta, Subphylum Spermatophytina, Order Asterales, Family Asteraceae, Genus Helianthus, Species Helianthus decapetalus


Park Tags:
ParkTag -


Threatened/Endangered Status:
State Species of Concern Status:
Ozone-sensitive Status:
NatureServe Global Rank:		G5
NatureServe State Rank:		IN: SNR
Evidence:		0 Observations, 0 Vouchers, 2 Data Store References, 0 External Links


Other Parks Where Species is Listed:
Abraham Lincoln Birthplace National Historical Park	Allegheny Portage Railroad National Historic Site
Big South Fork National River and Recreation Area	Blue Ridge Parkway
Bluestone National Scenic River	Chattahoochee River National Recreation Area
Chesapeake and Ohio Canal National Historical Park	Cumberland Gap National Historical Park
Cuyahoga Valley National Park	Delaware Water Gap National Recreation Area
Effigy Mounds National Monument	First State National Historical Park
Friendship Hill National Historic Site	Gauley River National Recreation Area
George Washington Memorial Parkway	Great Falls Park
Great Smoky Mountains National Park	Harpers Ferry National Historical Park
Kings Mountain National Military Park	Manassas National Battlefield Park
Martin Van Buren National Historic Site	Mississippi National River and Recreation Areas
Monocacy National Battlefield	Natchez Trace Parkway
New River Gorge National Park and Preserve	Rock Creek Park
Russell Cave National Monument	Saint Croix National Scenic Riverway
Saint-Gaudens National Historical Park	Saratoga National Historical Park
Shenandoah National Park	Theodore Roosevelt Island National Memorial
Upper Delaware Scenic and Recreational River	Valley Forge National Historical Park


Last Modified Date:	7/22/2005

NPSpecies - The National Park Service biodiversity database. IRMA Portal version.https://irma.nps.gov/npspecies. Accessed 11/3/2025 11:39:42 PM

NatureServe Global Rank and State Rank

NatureServe. 2017. NatureServe Web Service. Arlington, VA. U.S.A. Available http://services.natureserve.org. Accessed: 12/4/2017. Updated quarterly.

This information is provided by NatureServe (www.natureserve.org) and its network of natural heritage member programs, a leading source of information about rare and endangered species, and threatened ecosystems.


Species Profile	Page 1 of 1	11/3/2025 11:39:42 PM

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