Tag Archives: lichen

What are lichens and what are they doing on my tree?

Michigan State University Extension educators and specialists have recently received several calls from individuals concerned about strange growth on the branches or trunks of trees. In examining photos of the trees, the “problem” turned out to be lichens. This, as it turns out, is not a problem at all. Continue reading What are lichens and what are they doing on my tree?

“Fat Choy”, aka Nostoc Flagelliforme, delicacy during Chinese New Year celebration

[China] Fat choy (Nostoc flagelliforme), also known as fat choy, fa cai, black moss, hair moss or hair weed is a terrestrial cyanobacterium (a type of photosynthetic bacteria) that is used as a vegetable in Chinese cuisine. When dried, the product has the appearance of black hair. For that reason, its name in Continue reading “Fat Choy”, aka Nostoc Flagelliforme, delicacy during Chinese New Year celebration

Why we like lichens | Natural History

Lichens are most conspicuous in winter when vascular plants turn brown or lose their leaves: crinkly green rosettes on rocks and tree trucks, stringy greenish hair draped over branches, balls of pale “reindeer moss” resting on darker green carpets of moss. The lichens of the San Juan Islands are exceptionally diverse Continue reading Why we like lichens | Natural History