Colin Mills, compiler of the Hortus Camdenensis, died in late November 2012 after a short illness. As he always considered the Hortus his legacy, it is his family's intention to keep the site running in perpetuity. It will not, however, be updated in the near future.


A division of the Camden Park catalogues that first appeared in the 1845 catalogue but was never used. It is retained as a distinct category because of the importance of ferns to William Macarthur?s commerce in plants with Europe.

Asplenium australasicum (Smith) Hook.

Large, usually epiphytic fern with simple, stiff, erect, bright green fronds arranged in a circular form to resemble a large bird’s nest.  [RHSD, Hortus, FNSW].

Cyathea australis (R.Br.) Domin

Tall tree fern, the trunk mostly covered by the persisten bases of the stipes, the fronds, to 3m long, with conical spines on the base of the stipes.  To 20m.  [FNSW, Beadle].

Cyathea cooperi (Hook. ex F.Muell.) Domin

Medium to tall treefern with narrow trunk patterned with ovate scars and fronds to 5m long.  To 12m.  [FNSW, Beadle].

Cyathea leichhardtiana (F.Muell.) Copel.

Medium tree fern with narrow trunk covered with prickly, persisten stipe bases, and fronds to 3m.  To 7m.  [FNSW, Beadle].

Dicksonia antarctica Labill.

Thick-trunked tree fern, trunk covered with brown hairs and up to 4.5m high, the fronds spreading and up to 3m long.  [RHSD, FNSW].

Gleichenia microphylla R.Br.

Rhizomatous, creeping, clump-forming terrestrial fern with pinnate leaves with slightly recurved margins.  [RHSD, FNSW, Beadle].

Lycopodium caesium Hort.

A creeping perennial fern ally, with bluish foliage turning brown if exposed to too much light. To 15cm.   A more upright variety, arboreum, is also recorded, which see.  [JD].

Lycopodium caesium Hort. var. arborescens

See Lycopodium caesium Hort. for a description.  The form arborescens has a more upright habit.

Lycopodium cernuum L.

Very variable tender, creeping fern with forked branches and bright, light green leaves.  [RHSD, FNSW].  Figured in Flora Fluminensis [t.112/1790].

Lycopodium myrtifolium G.Forst.

Clubmoss with erect stems, to 20cm, and crowded, lance-shaped, dark green leaves, leaves.  Usually founding crevices or rock ledges, or as an epiphyte on tree ferns.  [Jones & Clemesha, FNSW].

Platycerium bifurcatum (Cav.) C.Chr.

Large epiphytic fern with sterile ‘nest leaves’ forming a large mass at the top of the plant, the branched fertile fronds either erect or pendant.  Plantlets grown from buds and enable the clump to encircle the tree trunk.  [RHSD, Hortus, FNSW].

Platycerium superbum de Jonch. & Hennipman

Large epiphytic fern with sterile ‘nest leaves’ forming a large mass at the top of the plant, the branched fertile fronds pendant and often very long.  Plantlets are not formed as in Platycerium bifurcatum.  [RHSD, Hortus, FNSW].

Sticherus flabellatus (R.Br.) H.St.John

Rhizomatous, creeping fern with pinnate leaves, the fronds to 1m high.  [RHSD, FNSW].