Characteristics
Monocots
Hydrilla verticillata (L.f.)Royle
WATERTHYME; HYDRILLA
**
The species has been divided into five subspecies, with subsp. verticillata being found in Florida (Tippery 2023).
Not Native OBL (NWPL) FISC(I)
**
Classification
ALISMATALES
Hydrilla verticillata (L.f.)Royle - WATERTHYME; HYDRILLA
Citation
HYDRILLA VERTICILLATA (Linnaeus f.) Royle, Ill. Bot. Himal. Mts. 1: 376. 1839.
Serpicula verticillata Linnaeus f. 1782.
INDIA: Without data (holotype: LINN 1106.1).
Species Distribution Map

Based on vouchered plant specimens from wild populations. Cultivated occurrences are not mapped. Click on a county to display its name.

Source
Synonyms
Specimens and Distribution

Click on an Accession Number to view additional details about the specimen.

Counties listed:

Range of years during which specimens were collected:

Plant Photos