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
- Class: Polypodiopsida
- Family: Aspleniaceae
- Genus: Asplenium L.
- Species: Asplenium trichomanes L.
- Var./Subsp.:
- Common name(s): maidenhair spleenwort
General Observation Data
- Date: 15-VII-2022
- Habitat: Deciduous forest, Road cut
- Habit: Lithophyte
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
- Location: – – – West Virginia – United States.
- Coordinates: 38.364227,-79.933683
- Elevation: 2365 ft
