Wall rue

Asplenium ruta-muraria

''Asplenium ruta-muraria'' is a species of fern commonly known as wall-rue . In Germany, it is known as Mauerraute or Mauerstreifenfarn. It is a very small epipetric species, growing exclusively on limestone and other calcareous rocks. Its fronds are bluish-green and are heavily sub-divided, becoming up to 12cm in length.
Asplenium ruta-muraria  Asplenium ruta-muraria,Fall,Geotagged,Israel,Wall rue

Distribution

''Asplenium ruta-muraria'' is native to Europe, East Asia, and eastern North America. In North America, its range extends from western New England southwest along the Appalachian Mountains to Alabama and Tennessee. It is also found in the Ozarks and in southern Indiana and Ohio, with outlying occurrences in Michigan, Ontario, Quebec, and Clinton County, Iowa.

In Europe, it commonly invades masonry and is a common species, while in the United States, it is more difficult to find, favouring pockets in very well-weathered and rather dry limestone outcrops.
Asplenium ruta-muraria  Asplenium ruta-muraria,Geotagged,Spring,Wall rue

Habitat

''Asplenium ruta-muraria'' is native to Europe, East Asia, and eastern North America. In North America, its range extends from western New England southwest along the Appalachian Mountains to Alabama and Tennessee. It is also found in the Ozarks and in southern Indiana and Ohio, with outlying occurrences in Michigan, Ontario, Quebec, and Clinton County, Iowa.

In Europe, it commonly invades masonry and is a common species, while in the United States, it is more difficult to find, favouring pockets in very well-weathered and rather dry limestone outcrops.

References:

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Status: Unknown
EX EW CR EN VU NT LC
Taxonomy
KingdomPlantae
DivisionPolypodiophyta
ClassPolypodiopsida
OrderPolypodiales
FamilyAspleniaceae
GenusAsplenium
SpeciesA. ruta-muraria
Photographed in
Israel
Netherlands