Evidences Polystichum aculeatum

Habitats and communities

The fern Polystichum aculeatum we could document in the following habitats, among others:

So far we have been able to observe and document photographically the species Polystichum aculeatum at an altitude of 950m above sea level.

So far, we have only been able to observe and document photographically the species Polystichum aculeatum on 21. April.

So far we have been able to add 1 observation of this species to the database.


Climate	Temperature number T	3i	Montane, small variation.
	Continentality K	2i	Suboceanic, small variation.
	Light number L	3i	Semi-shade, small variation.
Soil	Moisture number F	3.5i	Moist, small variation.
	Moisture variability W	1	Moisture little varying.
	Reaction number R	3i	Weakly acid to weakly neutral, small variation.
	Nutrients number N	3i	Medium infertile to medium fertile, small variation.
	Heavy metal tolerance M	m	Heavy metal tolerant.
	Humus number H	5i	High humus content, small variation.
	Aeration D	3i	Moderate aeration, small variation.

Legend:
The exact description of the factors and values can be found in the book «Flora indicativa».

Source: Book «Flora indicativa»

The threat to the species Polystichum aculeatum is LC: Not endangered.

Source: Red List of Vascular plants, Switzerland , Edition 2016