Notogrammitis givenii
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
Detailed taxonomy
Family
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
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)