West Highland Flora

Rustyback Fern


Ceterach officinarum

 

Ceterach officinarum

Photo Carl Farmer
29 Jun 2003 Suardal, Skye
Maximum width of any frond in pic = 11 mm

Quite frequent in Cowal, rare elsewhere.  On mortared walls or (in Skye) quarry rubble.

Fronds 3-20 cm long

ID: Back of frond covered with rust-coloured scales

Other features: Spores in ellpitical bundles along the veins, hidden by the scales, without a covering indusium.

 

Ceterach officinarum

Photo Carl Farmer
29 Jun 2003 Suardal, Skye

  Ceterach officinarum

Photo Carl Farmer
29 Jun 2003 Suardal, Skye

  Frond temporarily held upside down with stone to show underside


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