Plate 1 figs. a–h · 8 separate observations
Every figure is a research-grade observation under CC0, CC BY or CC BY-SA, rehosted with the photographer’s name, the licence and the observation it came from. Photographs under a NonCommercial licence are excluded from this site and are never stored, which costs us a great many pictures and is not negotiable.
Native range 14 botanical countries
| Region | TDWG code | Continent |
|---|---|---|
| Chatham Is. | CTM | AUSTRALASIA |
| New South Wales | NSW | |
| New Zealand North | NZN | |
| New Zealand South | NZS | |
| Queensland | QLD | |
| Tasmania | TAS | |
| Victoria | VIC | |
| Borneo | BOR | ASIA-TROPICAL |
| Malaya | MLY | |
| New Guinea | NWG | |
| Philippines | PHI | |
| Sulawesi | SUL | |
| New Caledonia | NWC | PACIFIC |
| Samoa | SAM |
Region boundaries approximated from Natural Earth (public domain) and mapped to TDWG World Geographical Scheme for Recording Plant Distributions (WGSRPD) level-3 botanical countries (Brummitt 2001). Indicative, not the official WGSRPD geometry.
Where it actually grows measured, from 1,982 observations
| Condition | 5th percentile | Median | 95th percentile |
|---|---|---|---|
| Coldest month, mean daily low | 0.6 °C | 7.7 °C | 12.8 °C |
| Warmest month, mean daily high | 17.1 °C | 23.2 °C | 27.4 °C |
| Annual rainfall | 866 mm | 1,252 mm | 2,500 mm |
| Rainfall in the driest quarter | 150 mm | 214 mm | 461 mm |
It is found where winters are cool but frost is light or absent. This is not care advice and it is not a forecast. It is a measurement: we sampled the climate at every one of the 1,982 research-grade observations of Gleichenia dicarpa that carry a coordinate, and this is the range those places actually span. The 5th and 95th percentiles are used rather than the minimum and maximum, because a single cultivated specimen in a heated conservatory should not widen a tropical plant's range to the Arctic.
This is not a hardiness zone. A USDA zone is the average annual extreme minimum temperature. The figure above is the mean daily minimum of the coldest month, which is a different quantity and is typically far warmer. Reading one as the other would place a plant several zones too warm, so we do not publish a hardiness zone, because we do not have one.
Also published as 18 synonyms
A synonym is not an error. It is a record of botanists disagreeing, in print, about where this plant belongs. Each of these was somebody’s considered answer.
- Calymella circinnata (Sw.) Ching
- Calymella dicarpa (R.Br.) C.Presl
- Calymella major Nakai
- Gleichenia circinnata Mett.
- Gleichenia circinnata var. alpina (Hook.f.) Cheeseman
- Gleichenia circinnata var. hecistophylla (A.Cunn.) Hook.f.
- Gleichenia dicarpa var. hecistophylla (A.Cunn.) G.Schneid.
- Gleichenia dicarpa var. longipinnata C.K.Schneid.
- Gleichenia dicarpa var. major T.Moore
- Gleichenia hecistophylla A.Cunn.
- Gleichenia microphylla Christ
- Gleichenia platyzoma F.Muell.
- Gleichenia semivestita var. hecistophylla (A.Cunn.) Hook.f.
- Gleicheniastrum hecistophyllum (A.Cunn.Hook.) Nakai
- Gleicheniastrum hecistophyllum var. majus (T.Moore) Nakai
- Mertensia dicarpa (R.Br.) Poir.
- Platyzoma dicarpum (R.Br.) Desv.
- Pteris dicarpa (R.Br.) Christenh.
Sourcesevery claim on this page
- World Flora Online Plant List. accepted name, authority, classification. CC0. Retrieved 2026-07-12.
- iNaturalist. photographs and flowering annotations, CC0 / CC BY / CC BY-SA only. per photograph. Retrieved 2026-06-27.
- Kew, World Checklist of Vascular Plants (WCVP v16). native distribution by TDWG level-3 botanical country, and life form. CC BY 3.0. Retrieved 2026-06-04.
We publish what we can source and we say so when we cannot. This page has no care advice and no toxicity claim, because we do not yet have those from a source we can cite.