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  4. Notogrammitis givenii

Notogrammitis givenii

Bealey chasm, Arthurs pass. March.<br>Photographer: John Smith-Dodsworth, Licence: <a target='_blank' href='https://creativecommons.org/licenses/by-nc/4.0'>CC BY-NC</a>.
Bealey chasm, Arthurs pass. March.<br>Photographer: John Smith-Dodsworth, Licence: <a target='_blank' href='https://creativecommons.org/licenses/by-nc/4.0'>CC BY-NC</a>.
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Common names

strapfern

Biostatus

Native – Endemic taxon

Category

Vascular

Structural class

Ferns

Detailed description

Rupestral fern. Rhizome short-creeping to long-creeping; paleae pale brown, lanceolate, acute, 1.6–5.9 × 0.6–1.9 mm. Stipes pronounced, 1–18 mm long; stipe hairs whitish to pale red-brown, rare to common, 0.3–2.0 mm long. Lamina (11)–19–47–(99) × (3)–3.8–7.0–(10) mm; spathulate-oblanceolate to oblanceolate, obtuse to acute, lamina hairs whitish, sparse, on midribs only, more common in young fronds, to 1.2 mm long; texture coriaceous; veins invisible, endings not darkened; midrib somewhat raised below, ± concolorous with lamina. Sori subglobose to oblong, oblique, in upper half to third of frond, 1–10 pairs, 2.0–6.5 × 1.0–2.0 mm; soral vein ending within the sorus or extending a little beyond it, somewhat shorter than basiscopic vein, neither reaching the margin. Sporangia (190)–222.2–312.0–(390) μm long; indurated cells of annulus (10)–11.0–13.6–(17). Spores (25.0)–31.0–41.6–(50.0) μm diameter.

Similar taxa

Distinguished from the other New Zealand species of Notogrammitis by the combination of having a creeping rhizome, fronds distinctly stipitate, 19–57 × 3.8–7.0 mm, these usually bearing > 3 pairs of sori; with the sori 2.0–6.5 mm long and subglobose to oblong.

Distribution

Endemic. New Zealand: North Island (from the Raukumara Range (Mt Honokawa) south, scarce), South Island, Chatham Islands, Auckland Islands, Campbell Island/Motu Ihupuku.

Habitat

Coastal to alpine (strictly montane in the North and South Islands) but extending to the coast on the Chathams and on the subantarctic coast. Commonly found on mostly south facing rocks and cliff faces, within crevices or joints or fringing cave entrances, within forest, scrub or alpine tussock grassland.

Current conservation status

The conservation status of all known New Zealand vascular plant taxa at the rank of species and below were reassessed in 2022-2023 using the New Zealand Threat Classification System (NZTCS) – more information about this can be found on the NZTCS website. This report includes replaces all previous NZTCS lists for vascular plants. Previous assessments can be found here.

  • Conservation status of vascular plants in Aotearoa New Zealand, 2023. 2024. Peter J. de Lange, Jane Gosden, Shannel P. Courtney, Alexander J. Fergus, John W. Barkla, Sarah M. Beadel, Paul D. Champion, Rowan Hindmarsh-Walls, Troy Makan and Pascale Michel Department of Conservation. Source: NZTCS and licensed by DOC for reuse under the Creative Commons Attribution 4.0 International licence.

2023 | Not Threatened

Jump to previous conservation statuses

Detailed taxonomy

Family

Polypodiaceae

Authority

Grammitis givenii Parris

Synonyms

Grammitis givenii (Parris) Parris

Taxonomic notes

The New Zealand species of Grammitis along with Ctenopteris heterophylla and one Australian Grammitis (G. garrettii) one Lord Howe (G. diminuta) and one species endemic to the Moluccas and Indonesian (G. kairatuensis) have traditionally been placed in Grammitis (Parris & Given 1976; Parris 1998). However, these species (with the exception of G. diminuta, G. kairatuensis and G. stenophylla; B.S.Parris pers. comm. to P.J. de Lange January 2011) have now been transferred to a new genus, Notogrammitis Parris (Perrie & Parris 2012).

Endemic taxon

Yes

Endemic genus

No

Endemic family

No

Ecology

Life cycle and dispersal

Minute spores are wind dispersed (Thorsen et al., 2009).

Propagation technique

Difficult. Should not be removed from the wild.

Other information

Etymology

notogrammitis: From the Greek noto- ‘southern’ and gramma ‘line’, referring to this new genus of southern strap ferns which were previously in Grammitis.

NVS code

The National Vegetation Survey (NVS) Databank is a physical archive and electronic databank containing records of over 94,000 vegetation survey plots - including data from over 19,000 permanent plots. NVS maintains a standard set of species code abbreviations that correspond to standard scientific plant names from the Ngä Tipu o Aotearoa - New Zealand Plants database.

NOTGIV

Previous conservation statuses

The conservation status of all known New Zealand vascular plant taxa at the rank of species and below were reassessed in 2022-2023 using the New Zealand Threat Classification System (NZTCS) – more information about this can be found on the NZTCS website. This report includes replaces all previous NZTCS lists for vascular plants. Previous assessments can be found here.

  • Conservation status of vascular plants in Aotearoa New Zealand, 2023. 2024. Peter J. de Lange, Jane Gosden, Shannel P. Courtney, Alexander J. Fergus, John W. Barkla, Sarah M. Beadel, Paul D. Champion, Rowan Hindmarsh-Walls, Troy Makan and Pascale Michel Department of Conservation. Source: NZTCS and licensed by DOC for reuse under the Creative Commons Attribution 4.0 International licence.

2017 | Not Threatened

2012 | Not Threatened

2009 | Not Threatened

2004 | Not Threatened

Jump to current conservation status

Regional conservation statuses

The regional threat classification system leverages off the national assessments in the NZTCS, providing information relevant for the regional context. Otago conservation status information is sourced from the “Regional conservation status of indigenous vascular plants in Otago” Jarvie S et al. (2024) report.

Otago: 2024 | Regionally Data Deficient

Referencing and citations

References and further reading

Parris BS. 1998. Grammitidaceae. Flora of Australia 48, Ferns Gymnosperms and allied groups: 450–468. ABRS/CSIRO Victoria, Australia.

Parris BS, Given DR. 1976. A taxonomic revision of Grammitis Sw. (Grammitidaceae: Filicales) in New Zealand. New Zealand Journal of Botany 14(1): 85–111. https://doi.org/10.1080/0028825X.1976.10428655.

Perrie LR, Parris BS. 2012. Chloroplast DNA sequences indicate the grammitid ferns (Polypodiaceae) in New Zealand belong to a single clade, Notogrammitis gen. nov. New Zealand Journal of Botany 50(4): 457–472. https://doi.org/10.1080/0028825X.2012.735247.

Thorsen MJ, Dickinson KJM, Seddon PJ. 2009. Seed dispersal systems in the New Zealand flora. Perspectives in Plant Ecology, Evolution and Systematics 11: 285–309. https://doi.org/10.1016/j.ppees.2009.06.001.

Attribution

Fact sheet prepared for NZPCN by P.J. de Lange (25 April 2011). Description from Parris & Given (1976)

NZPCN Fact Sheet citation

Please cite as: de Lange, P.J. (Year at time of access): Notogrammitis givenii Fact Sheet (content continuously updated). New Zealand Plant Conservation Network. https://www.nzpcn.org.nz/flora/species/notogrammitis-givenii/ (Date website was queried)

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