EPBC Act status
NC Act status
Project area in species mapped distribution Species known to occur within project area
Nearby historical records
Habitat presence and quality
Species recorded in field surveys Yes – 72 individual of G. hockingsii were confirmed during field surveys.
Conservatism required due to species detectability
Conservatism required due to species mobility
Species name
Source Habitat requirements
Likelihood of occurrence
Confirmed present This species was recorded within the project area
Yes – Suitable habitat was identified across most of the project area. Suitable habitat presented as Eucalypt forests and/or woodlands on steep, rocky hillsides with skeletal to shallow sandy soils.
Yes – Three historical (2001) records are located within the project area, the nearest of which is ~0.18 km north west of the project area.
Grevillea hockingsii only occurs in Queensland, where it is known from three disjunct areas: Coominglah State Forest west of Monto, Callide Ra. east of Biloela, and Razor Back Ra. Near Mt Morgan (DETSI, 2025). The species is found on slopes in hilly sandstone country on shallow sandy to sandy loam soils which are light brown to red in colour and occasionally stony or gravelly. It grows in woodland or open forest communities (DETSI, 2025). Leichhardtia brevifolia occurs in north and central Queensland where it is known from near Townsville, Springsure and north of Rockhampton (DCCEEW, 2025). North of Rockhampton, L. brevifolia grows on serpentine rock outcrops or crumbly black soils derived from serpentine in eucalypt woodland, often with Eucalyptus fibrosa and Corymbia xanthope . Near Paluma, the species grows in woodland dominated by E. granitica and E. acmenoides on granite soils (DCCEEW, 2025). Polianthion minutiflorum is known from five areas in east Queensland from Redcliffe Vale, south to Kingaroy. The species occurs in forest and woodland on sandstone slopes and gullies with skeletal soil or deep soils next to deeply weathered laterite (DEWHA 2008b). A small shrub or tree growing up to 6 m tall with red flowers and fruit and stiff and leathery leaves that are green and glossy. S. bidwillii is endemic to QLD, occurring from Mackay to Tweed Heads (DAWE 2020). It commonly occurs in lowland rainforest but can also be found in open forest or woodland. S. bidwillii is commonly found in areas adjacent to temporary and permanent watercourses.
No
No
NL
V
WO
Grevillea hockingsii
Highly unlikely to occur The project area is located in the distribution where the species or its habitat may occur. However, no historical records were identified within the desktop assessment and neither the species or its habitat were confirmed during field surveys.
Species may occur in project area
No – the nearest historical record is approximately 31.67 km north east of the project area.
No
No
No
No
V
V
PMST
Leichhardtia brevifolia
Unlikely to occur The project area is located in the distribution where the species or its habitat may occur and field surveys confirmed the presence of suitable habitat within the project area. However, no historical records were identified within the desktop assessment and the species was not confirmed within the project area. Unlikely to occur The project area is located in the distribution where the species or its habitat is likely to occur and recent historical records persist in the surrounding landscape. However, only marginal habitat was confirmed within the project area and the species was not observed during field surveys.
Species may occur in project area
No – the nearest historical record is approximately 70.14 km south of the project area.
Yes – Suitable habitat was identified across most of the project area. Suitable habitat presented as Eucalypt forests and/or woodlands on steep, rocky hillsides with skeletal to shallow sandy soils. Yes – Marginal habitat was identified across most of the project area. Marginal habitat presented as Corymbia citriodora forests and/or woodlands on steep, rocky hillsides with skeletal to shallow sandy soils.
V
V
PMST
No
No
No
Polianthion minutiflorum
Yes – One historical (2017) record is located ~1.56 km north east of the project area.
WO, PMST
Species likely to occur in project area
No
No
No
V
V
Samadera bidwillii Quassia
GHD | Heritage Minerals Pty Ltd | 12626510 | Heritage Minerals Mount Morgan
76
This document is in draft form. The contents, including any opinions, conclusions or recommendations contained in, or which may be implied from, this draft document must not be relied upon. GHD reserves the right, at any time, without notice, to modify or retract any part or all of the draft document. To the maximum extent permitted by law, GHD disclaims any responsibility or liability arising from or in connection with this draft document.
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