Plate 1 figs. a–h · 5 observations
This species has been photographed under an open licence only 5 times, so some figures below are different views of the same plant, taken on the same day, rather than different individuals. They are usually different parts of it: the leaf, the flower, the bark.
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 26 botanical countries
| Region | TDWG code | Continent |
|---|---|---|
| Argentina Northwest | AGW | SOUTHERN AMERICA |
| Bolivia | BOL | |
| Cayman Is. | CAY | |
| Colombia | CLM | |
| Cuba | CUB | |
| Dominican Republic | DOM | |
| Ecuador | ECU | |
| Galápagos | GAL | |
| Guatemala | GUA | |
| Haiti | HAI | |
| Honduras | HON | |
| Jamaica | JAM | |
| Leeward Is. | LEE | |
| Netherlands Antilles | NLA | |
| Puerto Rico | PUE | |
| Venezuela | VEN | |
| Windward Is. | WIN | |
| Florida | FLA | NORTHERN AMERICA |
| Georgia | GEO | |
| Mexico Central | MXC | |
| Mexico Gulf | MXG | |
| Mexico Northeast | MXE | |
| Mexico Northwest | MXN | |
| Mexico Southeast | MXT | |
| Mexico Southwest | MXS | |
| Mississippi | MSI |
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 94 observations
| Condition | 5th percentile | Median | 95th percentile |
|---|---|---|---|
| Coldest month, mean daily low | 5.5 °C | 19.9 °C | 24.2 °C |
| Warmest month, mean daily high | 25.8 °C | 29.3 °C | 32.8 °C |
| Annual rainfall | 704 mm | 1,188 mm | 2,204 mm |
| Rainfall in the driest quarter | 72 mm | 123 mm | 302 mm |
It is barely found anywhere that freezes. This is not care advice and it is not a forecast. It is a measurement: we sampled the climate at every one of the 94 research-grade observations of Myriopteris microphylla 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 20 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.
- Adiantum microphyllum Sw.
- Adiantum microphyllum (Sw.) Hornem.
- Adiantum microphyllum var. coriaceum T.Moore
- Adiantum pubescens Poir.
- Allosorus microphyllus (Sw.) Liebm.
- Allosorus microphyllus var. elongata Farw.
- Cassebeera microphylla (Sw.) J.Sm.
- Cheilanthes elongata Willd. ex Kaulf.
- Cheilanthes heterotricha Andersson
- Cheilanthes microphylla (Sw.) Sw.
- Cheilanthes microphylla f. elongata (Willd.) Stehlé
- Cheilanthes microphylla var. elongata (Willd.) Krug
- Cheilanthes microphylla var. minor E.Fourn.
- Cheilanthes pygmaea Klotzsch
- Hemionitis microphylla (Sw.) Christenh.
- Hemionitis nigricans (Willd.) Christenh.
- Notholaena cheilanthoides Spreng.
- Notholaena microphylla (Sw.) Keyserl.
- Notholaena nigricans (Willd.) Desv.
- Pteris nigricans Willd.
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.
- USDA PLANTS Database. common name, checklist symbol CHMI4. public domain. Retrieved 2026-07-13.
- 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.