Evidences Polystichum lonchitis
| Name: | Polystichum lonchitis |
| Family: | Dryopteridaceae |
| Genus: | Polystichum |
Habitats and communities
The fern Polystichum lonchitis we could document in the following habitats, among others:
Alpine lawn with diverse flora and fauna
Region: Valais Alps, Switzerland
Height: 2440m ASL
All photos
Region: Valais Alps, Switzerland
Height: 2440m ASL
All photos
Alpine pasture that has not been used for a long time
Region: Valais Alps, Switzerland
Height: 2270 - 2300m ASL
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Region: Valais Alps, Switzerland
Height: 2270 - 2300m ASL
All photos
Extensively used alpine pasture on north side of a moraine
Region: Valais Alps, Switzerland
Height: 2685 - 2695m ASL
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Region: Valais Alps, Switzerland
Height: 2685 - 2695m ASL
All photos
Small valley with watercourse on extensively used alpine meadow
Region: Bernese Prealps, Switzerland
Height: 1800m ASL
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Region: Bernese Prealps, Switzerland
Height: 1800m ASL
All photos
Number of habitats: 7
Distribution
So far, we have been able to observe and document photographically the species Polystichum lonchitis at altitudes of 1800m to 2690m above sea level.
We have so far been able to observe and document photographically the species Polystichum lonchitis between 21. May and 8. August.
So far we have been able to add 9 observations of this species to the database.
Ecological indicator values according to ©Landolt et al. (2010) for Polystichum lonchitis
| Climate | Temperature number T | 2.5i | Lower subalpine and upper montane, small variation. |
| Continentality K | 2i | Suboceanic, small variation. | |
| Light number L | 2i | Shade, small variation. | |
| Soil | Moisture number F | 3i | Moderately moist, small variation. |
| Moisture variability W | 1 | Moisture little varying. | |
| Reaction number R | 4i | Neutral to alkaline, small variation. | |
| Nutrients number N | 3i | Medium infertile to medium fertile, small variation. | |
| Humus number H | 3i | Moderate humus content, small variation. | |
| Aeration D | 5i | Good aeration, small variation. |
Legend:
The exact description of the factors and values can be found in the book «Flora indicativa».
The exact description of the factors and values can be found in the book «Flora indicativa».
Source: Book «Flora indicativa»
Threats
The threat to the species Polystichum lonchitis is LC: Not endangered.
Source: Red List of Vascular plants, Switzerland , Edition 2016