Caladenia Endangered SA Range of habitats from Vegetative growth: June Similar species: exposed limestone cliffs to to August richardsiorum Caladenia valida, C. (little dip sheltered coastal mallee hastata, C. reticulata Flower-bud formation: spider-orchid) vegetation, in closed August forests and low coastal Peak flowering period: scrub Late September to early November Caladenia rigida Endangered SA In woodland, mostly on Vegetative growth: June Similar species: R.S.Rogers (stiff ridges and slopes, in to July Caladenia intuta (ghost white spider-orchid) open places amid sedges spider-orchid); C. Flower-bud formation: behnii (pink-lipped early to late August spider-orchid) may form Peak flowering period: hybrids with (C. behrii) late August to October and the veined (C. reticulata) This species seems to depend on appropriate fire regimes to keep its habitat open and is known to flower profusely after fire, but does not require fire to flower Caladenia Endangered Victoria Eucalyptus viminalis ssp. Peak flowering period: Similar species: not robinsonii G.W.Carr pryoriana woodland with a mainly in October specified (Frankston grassy under-storey orchid) dominated by Themeda triandra
Caladenia richardsiorum (little dip spider-orchid) Endangered SA Range of habitats from exposed limestone cliffs to sheltered coastal mallee vegetation, in closed forests and low coastal scrub Vegetative growth: June to August Flower-bud formation: August Peak flowering period: Late September to early November Similar species: Caladenia valida, C. hastata, C. reticulata Caladenia rigida R.S.Rogers (stiff white spider-orchid) Endangered SA In woodland, mostly on ridges and slopes, in open places amid sedges Vegetative growth: June to July Flower-bud formation: early to late August Peak flowering period: late August to October This species seems to depend on appropriate fire regimes to keep its habitat open and is known to flower profusely after fire, but does not require fire to flower Similar species: Caladenia intuta (ghost spider-orchid); C. behnii (pink-lipped spider-orchid) may form hybrids with (C. behrii) and the veined (C. reticulata) Caladenia robinsonii G.W.Carr (Frankston Endangered Victoria Eucalyptus viminalis ssp. pryoriana woodland with a grassy under-storey dominated by Themeda triandra Peak flowering period: mainly in October Similar species: not specified orchid)
draft-guidelines-threatened-orchids.docx