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HClNC Vegetation Classification & mapping Project: Volume 1: Vegetation Classification Technical Report shrub layer is typically comprised of various sclerophyllous shrubs, such as Leucopogon lanceolatus and Rubus parvifolius. The ground layer is characterised by grasses, chiefly Poa sieberiana, and various forbs, including Poranthera microphylla and Viola betonicifolia with Pteridium esculentum dominant on disturbed areas. The only weed commonly recorded in this community was Hypochaeris radicata (Catsear, 30%). Within the study area, this community occurs on the foothills and escarpment of the Lower North Coast and Northern Tablelands at higher elevations. MU 52 — Mountain Gum / Brown Barrel / Snow Gum shrub / grass open forest of northern Barrington area Open forests dominated by Eucalyptus dalrympleana, E. fastigata and E. pauciflora and a sparse small tree layer consisting mainly of Acacia dealbata. The shrub layer is dominated by Acrothamnus hookeri and Rubus parvifolius with Clematis aristata and Smilax australis as the main climbing species. The typically dense ground layer is dominated by tussock grasses, primarily Poa sieberiana along with Microlaena stipoides, and includes a relatively high diversity of forbs such as Pratia pedunculata, Geranium potentilloides and Poranthera microphylla. The only naturalised species commonly recorded in this community was Trifolium repens (White Clover, 27%). This community is confined, within the region, to the Barrington area at higher elevations and occurs on a variety of substrates. MU 53 — New England Blackbutt / Forest Ribbon Gum moist grass / forb open forest Open forests dominated by Eucalyptus campanulata and E. nobilis, with E. pauciflora and E. obliqua as less common canopy components, and a sparse small tree layer consisting mainly of Acacia melanoxylon. An open shrub layer may be present and typically includes Coprosma quadrifida, Monotoca scoparia and Gonocarpus oreophilus and climbers including Smilax australis and Clematis aristata. The ground layer is characteristically dominated by tussock grasses, mainly Poa sieberiana, and contains a high diversity of forbs, including Dichondra repens, Viola hederacea, Geranium solanderi and Hydrocotyle laxiflora. The only naturalised species recorded in more than 25% of sites in this community was Medicago polymorpha (Burr Medic, 27%). This community is restricted within the study area to the escarpment of the Northern Tablelands at higher elevations. MU 54 — Messmate wet ferny open forest of Barrington area Moist tall open forests to open forests dominated by Eucalyptus obliqua, with E. cameronii as a common canopy element, and a small tree layer commonly including Acacia elata, A. obtusifolia and Callicoma serratifolia. The understorey is typically shrubby and includes a relatively diverse range of species, such as Persoonia linearis, Tasmannia stipitata, Leucopogon lanceolatus, Polyscias sambucifolia and Cyathea australis, with Smilax australis as the main climber. The understorey is characteristically ferny and dominated by Sticherus lobatus and Blechnum wattsii, and also frequently contains a range of grasses and graminoids, including Lomandra longifolia, Lepidosperma laterale, Gahnia sieberiana, Dianella caerulea and Microlaena stipoides. No naturalised species were recorded in more than 25% of sites in this community. 80
81 CHaPTeR 4 Results Within the study area, this community is restricted to the Barrington Tops area at higher elevations. MU 55 — Forest Oak / Smooth-barked Apple / Blackbutt open forest Open forests with a mixed canopy, including Angophora floribunda, Syncarpia glomulifera and Eucalyptus pilularis, and a small tree layer dominated by Allocasuarina torulosa. The understorey is typically shrubby with a range of species, including Persoonia linearis, P. levis, Gompholobium latifolium, Hibbertia scandens and Cissus hypoglauca. The ground layer typically includes a range of grasses and graminoids, such as Entolasia stricta, Imperata cylindrica, Themeda australis and Dianella caerulea, ferns (Pteridium esculentum and Calochlaena dubia) and sparse forbs, including Pomax umbellata and Pratia purpurascens. Lantana camara (Lantana) was recorded in 26% of sites in this community. This community occurs within the study area on the sandstone ranges of the Central Coast hinterland at lower elevations. MU 56 — Large-fruited Grey Gum / Mountain Blue Gum / Forest Oak shrubby open forest on ranges of the Sydney Basin Open forests characterised by Eucalyptus deanei, Syncarpia glomulifera and Angophora floribunda as the main canopy components, and Eucalyptus punctata as a less common element. A small tree layer dominated by Allocasuarina torulosa is also typically present. The understorey is generally shrubby with the main shrubs being Persoonia linearis, Podolobium ilicifolium, Polyscias sambucifolia and Maytenus silvestris with various climbers, including Billardiera scandens and Hardenbergia violacea. The understorey is a mix of ferns, mainly Adiantum aethiopicum and Pteridium esculentum; grasses, including Poa affinis and Oplismenus imbecillis; and various graminoids and forbs, commonly including Dianella caerulea, Pratia purpurascens and Plectranthus parviflorus. The only naturalised species recorded in more than 25% of sites was Oxalis corniculata (Creeping Oxalis, 35%). Within the study area, this community occurs on sandstone ranges of the Sydney Basin at mid elevations. MU 57 — Blue Mountains Ash / Turpentine shrubby open forest on rocky slopes of the Lower North Coast Open forests with a canopy dominated by Eucalyptus oreades and characteristically including Syncarpia glomulifera, with a small tree layer dominated by Allocasuarina littoralis and commonly including Elaeocarpus reticulatus, Acmena smithii and Schizomeria ovata. The understorey is characteristically shrubby and dominated by Banksia spinulosa with various other shrubs, such as Persoonia linearis and Leptospermum polygalifolium commonly present along with scattered climbers, including Smilax glyciphylla. The understorey is a mixture of ferns, predominately Gleichenia dicarpa; various graminoids, such as Patersonia glabrata and Lomandra glauca; and grasses including Tetrarrhena juncea and Entolasia stricta along with scattered forbs. No naturalised species were recorded in more than 25% of sites in this community. In terms of distribution, this community occurs within the study area on basalts on the escarpments and foothills of the Lower North Coast at mid to high elevations.
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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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