This observation most likely represents the diploid plant Asplenium trichomanes ssp. trichomanes, as the population was found growing on non-calcareous sandstone. Tetraploid plants, Asplenium trichomanes ssp. quadrivalens, most often occurs on limestone or other calcareous rocks.

Observation Data

Classification & Common Names

General Observation Data
Additional Comments

Fronds ca 10 cm. Growing on sandstone. This observation most likely represents the diploid plant Asplenium trichomanes ssp. trichomanes, as the population was found growing on non-calcareous sandstone. Tetraploid plants, Asplenium trichomanes ssp. quadrivalens, most often occurs on limestone or other calcareous rocks.

Location