Table 22: Key to Major Vegetation Subgroups in MVG22: Chenopod Shrublands, Samphire Shrublands and Forblands (NVIS Version 4.1) Key Criteria MVS# Broader groupings or MVS Comments No. or Next Name Key No. 0 Ground stratum (or strata) dominated by 1 non-succulent shrubby saltbushes (Atriplex spp.) and/or bluebushes (Maireana spp.) Ground stratum dominated by succulent 3 shrubs and/or forbs of families Chenopodiaceae and/or Aizoaceae. 1 Shrub layer typically sparse (<20% canopy MVS## Gibber chenopod shrublands NSW, NT, QLD, SA, WA cover) and low (<0.5 m), interspersed with tussock grasses. Commonly dominated by species of Atriplex, Sclerolaena, Aristida, and Occurs on arid Astrebla Eragrostis. stony uplands and gibber plains. Shrub layer taller and denser than above. 2 Dominated by species of Atriplex, or, in disturbed locations, Maireana Occurs on clay plains or Sclerolaena. sandplains. 2 Occurs on red sandplains soils with calcrete MVS31 Sandplain bluebush shrublands NSW, NT, QLD, SA, VIC, WA subsoil. Dominated by species of Maireana, notably and/or M. sedifolia M. pyramidata. . Occurs on clay plains or depressions of MVS## Clay plains saltbush shrublands NSW, NT, QLD, SA, VIC, WA alluvial or limestone origin. Dominated by Communities intermediate species of Atriplex, Maireana aphylla, between Sandplain bluebush Nitraria billardieri. shrublands and Clay plains saltbush shrublands may exist
Table 22: Key to Major Vegetation Subgroups in MVG22: Chenopod Shrublands, Samphire Shrublands and Forblands (NVIS Version 4.1) Key No. Criteria MVS# or Next Key No. Broader groupings or MVS Name Comments 0 Ground stratum (or strata) dominated by non-succulent shrubby saltbushes (Atriplex spp.) and/or bluebushes (Maireana spp.) Ground stratum dominated by succulent shrubs and/or forbs of families Chenopodiaceae and/or Aizoaceae. 1 3 1 Shrub layer typically sparse (<20% canopy cover) and low (<0.5 m), interspersed with tussock grasses. Commonly dominated by species of Atriplex, Sclerolaena, Aristida, Astrebla and Eragrostis. Occurs on arid stony uplands and gibber plains. Shrub layer taller and denser than above. Dominated by species of Atriplex, Maireana or, in disturbed locations, Sclerolaena. Occurs on clay plains or sandplains. MVS## 2 Gibber chenopod shrublands NSW, NT, QLD, SA, WA 2 Occurs on red sandplains soils with calcrete subsoil. Dominated by species of Maireana, notably M. sedifolia and/or M. pyramidata. . Occurs on clay plains or depressions of alluvial or limestone origin. Dominated by species of Atriplex, Maireana aphylla, Nitraria billardieri. MVS31 MVS## Sandplain bluebush shrublands Clay plains saltbush shrublands NSW, NT, QLD, SA, VIC, WA NSW, NT, QLD, SA, VIC, WA Communities intermediate between Sandplain bluebush shrublands and Clay plains saltbush shrublands may exist
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