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Locally common on serpentinite rubble slopes and in forest and shrubland. Plants lianoid, branches up to 10 m long, sprawling along ground or pushing up through other vegetation.

Geniostoma ligustrifolium var. crassum is a convenient 'place holder' name for this plant for now.

The type of Geniostoma ligustrifolium var. crassum Cheeseman is a hybrid between G. ligustrifolium var. ligustrifolium and the plant posted up here.

Yet another taxonomic headache to sort out.

Locally common along roadside and in "gumland scrub". Generally a scarce species around Auckland now having succumbed to gross habitat modification, weed killers and ignorance (this species is indigenous NOT naturalised - see de Lange & Murray 2002)

de Lange, P.J.; Murray, B.G. 2002: Contributions to a chromosome atlas of the New Zealand flora—37. Miscellaneous families. New Zealand Journal of Botany 40: 1-23

Synonym = Trichomanes caudatum

A second record for mainland New Zealand and a first for the Auckland region, previously known only from Kerikeri. Epiphyte on riparian Dicksonia squarrosa with Hymenodon pilifer, Tmesipteris tannensis, Lepraria ulrikii and other bryophytes. Under Kunzea robusta, Pseudopanax arboreus surrounded by sparse Geniostoma ligustrifolium var. ligustrifolium seedlings and occasional patch of Diploblechnum fraseri on ground. Only one tree fern with this filmy fern and only one other Dicksonia squarrosa seen. Abundant on the one tree, up to 2m high. With campanulate sori and long bristles.

Same population as: https://inaturalist.nz/observations/42946972

Thanks to @oaag1993 and @danielle522 for bringing this fern to my attention!

Only remaining NZ grass key outcome after these inputs:
Lower glume length: 4 mm
Upper gluten length: 6 mm
Spikelet length: 13 mm
4 florets per spikelet
Ligule: membrane
Lemma awn: one awn present
Awn length: 6 mm