• Source: Usnea strigosa

Usnea strigosa, commonly known as bushy beard lichen, is a fruticose lichen in the family Parmeliaceae.




Distribution


Usnea strigosa has worldwide distribution. It is a common tree lichen in Eastern and Southeastern North America.




Description


This lichen is fruticose with 2 to 5 cm long branches and abundant terminal apothecia about 5 mm wide.




Taxonomy


Usnea strigosa has three recognized subspecies, major, rubiginea, and strigosa. There are also several chemotypes, bringing the current taxonomy into doubt.




Ecology


Usnea strigosa grows on trees. The most frequent hosts of this lichen are oak trees. The photosynthetic symbionts of Usnea species are Chlorophyta green algae.




References

Kata Kunci Pencarian:

• Usnea strigosa
• List of lichens of Maryland
• Vernon Ahmadjian
• List of fungi of South Africa – U
• List of the Cenozoic life of Florida