A fruticose lichen is a form of lichen fungi that is characterized by a coral-like shrubby or bushy growth structure. It is formed from a symbiotic relationship of a photobiont such as green algae or less commonly cyanobacteria and one, two or more mycobionts. Fruticose lichens are not a monophyletic and holophyletic lineage, but is a form encountered in many classes. Fruticose lichens have a complex vegetation structure, and are characterized by an ascending, bushy or pendulous appearance. As with other lichens, many fruticose lichens can endure high degrees of desiccation. They grow slowly and often occur in habitats such as on tree barks, on rock surfaces and on soils in the Arctic and mountain regions.
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| - Lichen fruticuleux (fr)
- Fruticose lichen (en)
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| - A fruticose lichen is a form of lichen fungi that is characterized by a coral-like shrubby or bushy growth structure. It is formed from a symbiotic relationship of a photobiont such as green algae or less commonly cyanobacteria and one, two or more mycobionts. Fruticose lichens are not a monophyletic and holophyletic lineage, but is a form encountered in many classes. Fruticose lichens have a complex vegetation structure, and are characterized by an ascending, bushy or pendulous appearance. As with other lichens, many fruticose lichens can endure high degrees of desiccation. They grow slowly and often occur in habitats such as on tree barks, on rock surfaces and on soils in the Arctic and mountain regions. (en)
- Le lichen fruticuleux est un des trois types de lichens observables. Ce lichen se distingue du lichen foliacé et du lichen crustacé, par la morphologie de son thalle. Il se reconnaît grâce à sa forme de lanière ou de buisson ; il peut être fortement ramifié et également pendant. Le lichen fruticuleux se fixe sur son substrat uniquement par une petite partie, généralement à sa base. La partie accrochée au substrat est appelée crampon. Les thalles fruticuleux sont composé d'un seul cortex. Il est divisé en deux chez le lichen foliacé : un cortex supérieur et un cortex inférieur. (fr)
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| - A fruticose lichen is a form of lichen fungi that is characterized by a coral-like shrubby or bushy growth structure. It is formed from a symbiotic relationship of a photobiont such as green algae or less commonly cyanobacteria and one, two or more mycobionts. Fruticose lichens are not a monophyletic and holophyletic lineage, but is a form encountered in many classes. Fruticose lichens have a complex vegetation structure, and are characterized by an ascending, bushy or pendulous appearance. As with other lichens, many fruticose lichens can endure high degrees of desiccation. They grow slowly and often occur in habitats such as on tree barks, on rock surfaces and on soils in the Arctic and mountain regions. (en)
- Le lichen fruticuleux est un des trois types de lichens observables. Ce lichen se distingue du lichen foliacé et du lichen crustacé, par la morphologie de son thalle. Il se reconnaît grâce à sa forme de lanière ou de buisson ; il peut être fortement ramifié et également pendant. Le lichen fruticuleux se fixe sur son substrat uniquement par une petite partie, généralement à sa base. La partie accrochée au substrat est appelée crampon. Les thalles fruticuleux sont composé d'un seul cortex. Il est divisé en deux chez le lichen foliacé : un cortex supérieur et un cortex inférieur. (fr)
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