Parmelina tiliacea

A foliose lichen

Parmelina tiliacea, a foliose (leaf-like) lichen, found on a variety of nutrient-rich surfaces such as tree bark and rocks. Apothecia are rare, reproduction generally being acheived by isidia, small finger like projections on the upper surface of the thallus. An isidium is a complete package of fungal and algal cells.


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Parmelina tiliacea, foliose lichen
On Oak bark
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Parmelina tiliacea, foliose lichen
On Oak bark
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Parmelina tiliacea, foliose lichen
On Oak bark
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Parmelina tiliacea, foliose lichen
Isidia
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Quercus robur, English Oak
Location

Photograph detail


Slide 1: Parmelina tiliacea, a foliose lichen, growing on the bark of English Oak, Quercus robur. Well Lane, Redmire. October.


Slide 2: Parmelina tiliacea, a foliose lichen, growing on the bark of English Oak, Quercus robur. Well Lane, Redmire. October.


Slide 3: Parmelina tiliacea, a foliose lichen, growing on the bark of English Oak, Quercus robur. Well Lane, Redmire. October.


Slide 4: Parmelina tiliacea, a foliose lichen. Isidia on the upper surface of the thallus. Collected from English Oak, Quercus robur. Well Lane, Redmire. October.


Slide 5: Parmelina tiliacea, a foliose lichen. Location, showing English Oak, Quercus robur. Well Lane, Redmire. August.