Grass-poly (Lythrum hyssopifolia)

Key Details

Taxonomic Groups: Vascular plant > flowering plant > Herbaceous plant
Red List Status: Endangered (Not Relevant) [EN(nr)]
D5 Status:
Section 41 Status: (not listed)
Taxa Included Synonym: (none)
UKSI Recommended Name: Lythrum hyssopifolia
UKSI Recommended Authority: L.
UKSI Recommended Qualifier: (none specified)
Red List Citation: in Stroh et al., 2014
Notes on taxonomy/listing: (none)

Criteria

Question 1: Does species need conservation or recovery in England?
Response: Yes
Justification: EN in GB & England. This species has declined historically but has appeared unexpectedly in new places in recent years.
Question 2: Does recovery/ conservation depend on species-specific actions?
Response: No
Justification: A sp of dynamic temporary wetland habitats and with a long seed life; will respond to landscape and generalistic habitat management
Question 3: At a landscape scale, would the species benefit from untargeted habitat management to increase habitat mosaics, structural diversity, or particular successional stages?
Response: Yes
Justification: A sp of dynamic temporary wetland habitats and with a long seed life; will respond to landscape and generalistic habitat management

Species Assessment

Not relevant as no Key Actions defined.

Key Actions

No Key Actions Defined

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Acknowledgment:
Data used on this website are adapted from Threatened species recovery actions 2025 baseline (JP065): Technical report and spreadsheet user guide (Natural England, 2025). Available here.