Elm Gyalecta (Gyalecta ulmi)
Key Details
| Taxonomic Groups: | Fungus or lichen > lichen > Lichen |
| Red List Status: | Endangered (Not Relevant) [EN(nr)] |
| D5 Status: | Included in the baseline Red List Index for England (Wilkins, Wilson & Brown, 2022) |
| Section 41 Status: | (not listed) |
| Taxa Included Synonym: | (none) |
| UKSI Recommended Name: | Phialopsis ulmi |
| UKSI Recommended Authority: | (Sw.) Arnold |
| UKSI Recommended Qualifier: | (none specified) |
| Red List Citation: | Woods & Coppins, 2012 |
| Notes on taxonomy/listing: | (none) |
Criteria
| Question 1: | Does species need conservation or recovery in England? |
| Response: | Yes |
| Justification: | Just one site in England, a small population, vulnerable to shading by vascular plants. |
| Question 2: | Does recovery/ conservation depend on species-specific actions? |
| Response: | Yes |
| Justification: | Last remaining England site is vulnerable to shading by vascular plants. Targeted action may be necessary. |
| 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: | No |
| Justification: | This species would not benefit from untargeted management |
Species Assessment
| Current step on the Species Recovery Curve (SRC): | 6. Recovery solutions trialled |
| Recovery potential/expectation: | Low - Relict or natural rarity |
| National Monitoring Resource: | Opportunistic - insufficient |
| Species Comments: | Remedial action was identified by a NE-PL site visit, and undertaken by BLS and PL in 2018. Monitoring has been ad hoc, and not known if anything has happened since this work. |
Key Actions
Key Action 1
Proposed Action: Monitor trial management, determine current status and identify remedial measures.
Action targets: 3. National Monitoring Plan agreed and implemented
Action type: Targeted monitoring
Duration: 1 year
Scale of Implementation: 1 site
High priority sites: Moccas Park
Comments: Trial management took place in 2018, the outcome and current status is not known.
Key Action 2
Proposed Action: Undertake habitat management identified by Key Action 1
Action targets: 6. Recovery solutions trialled
Action type: Habitat management
Duration: 1 year
Scale of Implementation: 1 site
High priority sites: Moccas Park
Comments:
Key Action 3
Proposed Action: Search for the species at other wooded base-rich outcrops, i.e. on same geological feature, in vicinity of Moccas Park.
Action targets: 2. Biological status assessment exists
Action type: Status survey/review
Duration: 2 years
Scale of Implementation: ≤ 5 sites
High priority sites: area around Moccas Park
Comments:
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.