Current ISIS code: F003
Previous assemblage name: F222 mature heath & dry scrub mosaic.
Linked assemblage: F221 montane and upland.
Description of habitat typically supporting the assemblage: The assemblage type is found on nutrient-poor, acid soils where herbaceous or dwarf shrub vegetation is dominant, although trees and taller shrubs can be an important component of the overall habitat.
Current ISIS code: F002
Previous assemblage name: None. It was established in 2008 as a cross-cutting assemblage.
Linked assemblage: Frequently present with F112 open short sward, although it can turn up in F111 bare sand & chalk, especially in brownfield areas.
Current ISIS code: F001
Previous assemblage name: F212
Linked assemblage: Various
Description of habitat typically supporting the assemblage: This assemblage type is characterised by a wide range of invertebrates but especially aculeates.
Current ISIS code: A215
Previous assemblage name: Not applicable
Linked assemblage: Often in association with the other saproxylic assemblages A213 fungal fruiting bodies, and A221 bark & sapwood decay.
Description of habitat typically supporting the assemblage: This small assemblage type is mostly characterised mainly by bugs and moths.
Current ISIS code: A212
Previous assemblage name: A222 bark & sapwood decay including conifers
Linked assemblage: A213 fungal fruiting bodies, A211 Heartwood decay.
Description of habitat typically supporting the assemblage: This assemblage type is mainly characterised by beetles.
Current ISIS code: A211
Previous assemblage name: A211 & A221 heartwood decay in living trees and conifers respectively.
Linked assemblage: Often in association with the other saproxylic assemblages A213 fungal fruiting bodies, and A221 bark & sapwood decay.
Description of habitat typically supporting the assemblage: This assemblage type is mainly characterised by beetles and two-winged flies.