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Harperella

Harperella nodosa

Found in rocky or gravelly riverbeds, upland depression ponds, seepage on granite flatrocks. Weakley, Flora of the Southeastern United States (2025), South Central edition What its natural habitat tells you

24
Good

Native to Alabama. How scores work Is it native here?

Profile 88%

Height
Up to about 3 feet
Light
Partial shade, Full sun
Soil moisture
Wet to standing water
Will it fit your yard?

Federally endangered. Excluded from routine garden suggestions. Consult conservation guidance before obtaining or planting this species. Plant caution source

Hidden from default planting suggestions. Wildlife value and native status remain unchanged.

At a glance

Life cycle
Annual
Bloom
June to August

Not yet recorded · Spread · Leaves

Recorded in 5 Alabama counties.

Natural habitats

Places it grows wild. Not a planting requirement. Each habitat page lists the plants and wildlife also found there.

All habitats

Also found with this plant

Wildlife whose habitat models include habitats this plant grows in, in Alabama. Shared habitat, not food. 148 animals.

All wildlife of Alabama

Ecological relationships

Who uses this plant?

What these records mean

1CaterpillarsGenus host records with ranges including AL

Genus host records with ranges including AL · Ptilimnium

  • Papilio polyxenesBlack Swallowtail, Celery Caterpillar, Fennel Worm, Desert Black Swallowtail, Parsnip Swallowtail
Shropshire & Tallamy 2025, Lepidoptera of North America north of Mexico, ZooKeys 1261 (ODbL)
7BeesSoutheastern regional records
0Specialist beesPollen specialists
—BirdsRecorded genus food-resource interactions; not a state feeding claim

No records yet · Ants · Beetles · Flies · Adult butterflies / moths · Other wasps · Other insects

Growing and identification

Plant details

Family
Apiaceae
Flower color
White
Growing sources and scope
Also known as

Ptilimnium fluviatile; Ptilimnium nodosum; bishopweed

Conservation status

Alabama rankS1
Global rankG2
AL statusNot verified
Federal statusEndangered (US Fish and Wildlife Service)

Conservation source Global rank source Federal status source: US Fish and Wildlife Service

In your garden

Will it fit your yard?

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Sources