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HClNC Vegetation Classification & mapping Project: Volume 1: Vegetation Classification Technical Report including various mesic shrubs such as Pittosporum undulatum and Diospyros australis. The shrub / grass understorey typically consists of an open layer of shrubs such as Persoonia linearis and Breynia oblongifolia over a predominately grassy ground layer dominated by Poa sieberiana. The ground layer also commonly includes various ferns such as Adiantum formosum and Doodia aspera, graminoids such as Dianella caerulea, Lepidosperma laterale and Gymnostachys anceps and scattered forbs including Oxalis chnoodes and Pratia purpurascens. No naturalised species were commonly recorded for this community. Within the study area this community occurs on foothills of the Lower North Coast at mid to higher elevations on a range substrates of varying fertility. MU 40 — Blackbutt / Turpentine / Forest Oak shrub / fern open forest Open forests dominated by Eucalyptus pilularis, Angophora costata and Syncarpia glomulifera. The semi-mesic understorey includes a sparse small tree layer dominated by Allocasuarina torulosa and often including Glochidion ferdinandi and a shrub layer commonly including Persoonia linearis and Polyscias sambucifolia. Various vines, including Pandorea pandorana, are typically present in the understorey. The ground layer is characteristically ferny and dominated by Doodia aspera, Calochlaena dubia and Blechnum cartilagineum, with patchy grasses including Entolasia stricta. This community is highly susceptible to invasion by Lantana (Lantana camara) with this species being recorded at 88% of sites. The only other weed species commonly recorded was Camphor Laurel (Cinnamomum camphora) which was recorded in 29% of sites. This community is found mainly on sandstone substrates and occurs within the community on the hinterland of the Central Coast at lower elevations. MU 41 — Turpentine / Forest Oak moist shrubby open forest Moist open forests with a canopy dominated by Syncarpia glomulifera and commonly including Angohpora floribunda, with various other eucalypts, such as Eucalyptus paniculata and E. pilularis, less commonly found. An open small tree layer including Allocasuarina torulosa, Glochidion ferdinandi and Clerodendrum tomentosum is often present. The denser shrub layer may include various species such as Persoonia linearis, Maytenus silvestris and Polyscias sambucifolia. The ground layer is typically dominated by ferns including Doodia aspera, Calochlaena dubia and Adiantum aethiopicum, along with scattered grasses such as Entolasia stricta, Oplismenus imbecillis and patches of Imperata cylindrica in more open areas. The most commonly recorded naturalised species in this community was Lantana (Lantana camara, 30%). Within the study area, this community occurs on the ranges of the Sydney Basin at lower elevations on lower fertility substrates, mainly sandstones and conglomerates. MU 42 — White Mahogany / Turpentine moist shrubby open forest Shrubby open forests with a mixed canopy including Syncarpia glomulifera and Eucalyptus acmenoides, with E. saligna and E. siderophloia also often present. The semi-mesic understorey commonly includes various tall shrubs and small trees such as Callistemon salignus, Acacia maidenii, Diospyros australis and Allocasuarina torulosa. Smaller shrubs commonly present include Rhodamnia rubescens, Pittosporum revolutum, Notelaea longifolia and Croton verreauxii, with various climbers including Cissus antarctica, C. hypoglauca and Dioscorea transversa also 76
77 CHaPTeR 4 Results common. The ground layer typically consists of various grasses and graminoids including Lomandra longifolia, Gahnia melanocarpa, Oplismenus imbecillis, Gymnostachys anceps and Dianella caerulea with sparse forbs such as Plectranthus parviflorus and Pseuderanthemum variabile. Various ground ferns including Doodia aspera and Adiantum hispidulum may also be present. Lantana (Lantana camara) was recorded in 50% of sites in this community. This community occurs within the study area on the ranges of the Lower North Cast and Central Coast at lower elevations on a range of substrates. MU 43 — Tallowwood / Brush Box / Sydney Blue Gum moist shrubby tall open forest of Lower North Coast foothills Tall open forests to open forests with Eucalyptus microcorys, Lophosetmon confertus, E. saligna and Syncarpia glomulifera as canopy dominants. The semi-mesic understorey includes a mixed small tree layer dominated by Allocasuarina torulosa which may also include various small trees and tall shrubs such as Cryptocarya rigida, C. microneura and Schizomeria ovata. Various smaller shrubs may also be present including Trochocarpa laurina, Rhodamnia rubescens and Psychotria loniceroides along with climbers such as Dioscorea transversa and Cissus antarctica. The ground layer is typically ferny with scattered grasses and is characterised by species including Blechnum cartilagineum, Doodia aspera, Lastreopsis decomposita, Calochlaena dubia and Oplismenus imbecillis. Lantana (Lantana camara, 30%) was the only naturalised species recorded in more than 25% of sites in this community. Within the study area, this community is found on various substrates on the ranges and foothills of the Lower North Coast at mid elevations. This community includes the only records within this study of the rare shrub Hakea archaeoides and, hence, it may have particular regional conservation significance. MU 44 — Blackbutt / Turpentine / Sydney Blue Gum mesic tall open forest of the Central Coast ranges Tall open forests to open forests with a canopy dominated by Syncarpia glomulifera, Eucalyptus pilularis and E. saligna, and a semi-mesic small tree layer including various species such as Cryptocarya microneura, Allocasuarina torulosa, Acmena smithii and Livistona australis. A diverse, semi-mesic smaller shrub layer is typically also present and may include a range of species such as Rhodamnia rubescens, Breynia oblongifolia and Wilkiea huegeliana along with various climbers including Smilax australis, Dioscorea transversa and Morinda jasminoides. The ground layer is typically ferny and characterised by species including Blechnum cartilagineum, Doodia aspera and Calochlaena dubia. This community appears to be particularly susceptible to woody weed species with a number being commonly recorded, including Ligustrum sinense (Small-leaved Privet, 31%), Ochna serrulata (Mickey Mouse Plant, 34%), Lantana camara (Lantana, 74%), Passiflora edulis (Common Passionfruit, 29%) and Cinnamomum camphora (Camphor Laurel, 31%). This community occurs within the study area on sandstones and sands on ranges of the Central Coast at lower elevations. This community may have particular regional conservation significance as it is the only community in this study to include records of the endangered climber Tylophora woollsii.
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Hunter, Central & Lower North Coast
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Classification Expert Review Panel
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3.4 Vegetation community analysis .
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List of abbreviations API aerial ph
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HClNC Vegetation Classification & m
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CHaPter 2 Vegetation of the study a
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CHaPTeR 3 Method of data collection
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BIBLIOGRaPHY Anderson, R. H. (1961)
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