Benson & Fallding, Brisbane Water National Park 
97 
Leucopogon margarodes (Epacridaceae), a shrub found in the moist, dense 
understorey of the open-forest on Hawkesbury Sandstone, in areas not burnt for 
8-10 years. Known from southern Queensland and the North Coast of New South 
Wales as far south as Wondabyne. 
Boronia fraseri (Rutaceae), a shrub found in the moist understorey of open-forest 
(Community 2B). Recorded only from the Central Coast of New South Wales 
(Menangle to Woy Woy) and the lower eastern slopes of the Blue Mountains. 
Allania endlicheri (Liliaceae), a species showing a disjunct distribution pattern, 
found on wet rocks in moist gullies with low open-forest in the Piles Creek area of 
Brisbane Water National Park. Also on Mount Coricudgy and in the Blue Mountains. 
Two ferns are of restricted distribution and considered to be vulnerable also. 
They are: 
Blechnum ambiguum (Blechnaceae), occurring on wet rocks in caves, under 
rock ledges, in wet crevices or near waterfalls, in open-forest with a moist understorey 
(Community 2B). This species is found on the Blue Mountains, South Coast, and 
Central Coast of New South Wales. It has been recorded at Wondabyne and 
Girrakool (R. G. Coveny 1969-78) and in the Old Warrah Sanctuary (D. V. Cameron, 
1974) although the most northerly herbarium collection was from Narrabeen, south 
of Brisbane Water National Park. 
Lindsaea dimorpha (Lindsaeaceae), a tiny fern found twice in the northwestern 
part of the Park on moist, shallow sandy soil with a high organic content, within 
scrub (Community 8) and open-woodland with a dense shrub understorey (Com¬ 
munity 6). Known from Queensland and in New South Wales mainly from near 
Nowra on the South Coast. There are also records of it occurring near Penrith 
and in Dharug National Park; its discovery in Brisbane Water National Park extends 
the known range. 
Taxa showing very restricted distribution patterns include: 
Darwinia glaucophylla (Myrtaceae), an endemic and highly distinctive species 
found on rock outcrops with pockets of low scrub (Community 9) and in closed to 
open-scrub (Community 8) where this occurs close to rock outcrops. It is known 
only from the Calga-Piles Creek-Kariong area. The only area where its habitat is 
protected is in the north-western section of Brisbane Water National Park, on rock 
platforms to the north and west of Mt Kariong, and rock outcrops near Girrakool. 
Darwinia procera (Myrtaceae), a restricted species recorded on a rocky ridge 
in low open-woodland (Community 6) with dry scrubby understorey. Known from 
a number of localities on the Central Coast of New South Wales, it has been collected 
near Piles Creek, the most northerly limit of its known distribution. 
Grevillea shiressii (Proteaceae), a tall shrub growing on alluvial soil in open-forest 
with a moist understorey (Community 2B). This species is known from 2 localities 
only. Neither is within the present Park boundaries. Hartley & Leigh (1979) list 
it as a restricted endemic with a limited population range which is endangered. 
Grevillea sp. aff. capitellata (Proteaceae), an undescribed species found in low 
open-forest (Community 4) with a dense shrubby understorey and in scrub (Com¬ 
munity 8). It is only known to occur in the Peats Ridge, Mount White, Calga and 
Mangrove Mountain area to the west of Mooney Mooney Creek. Within the Park 
it occurs on the dry sandstone ridges west of Mooney Mooney Creek. 
Grevillea sp. nov. (Proteaceae), an undescribed, small-leaved species which 
appears to have a very restricted distribution. It is found occasionally in the low 
open-forest and low woodland to low open-woodland communities on sandstone 
ridges on the scarp in the Somersby to Narara area. 
