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Punctelia negata
Punctelia negata is a little-known species of foliose lichen in the family Parmeliaceae. It is found in South America.
From the article Punctelia negata on Wikipedia (CC BY-SA), quoted section by section
Description
Major characteristics of Punctelia negata include the presence of small lobes (lobules) on the upper thallus surface, a pale brown lower thallus surface, long threadlike (filiform) conidia, ascospores measuring 19–23 μm long, and a medulla that reacts C− in a lichen spot test. A high-pressure liquid chromatography analysis of the type specimen revealed several secondary chemicals, including protoconstipatic acid and constipatic acid as major products, and dehydroconstipatic acid, protodehydroconstipatic acid, atranorin, and chloroatranorin as minor products.
== References ==
Where it lives
Recorded sightings
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geo-referenced records in GBIF, from museums, herbaria and field observers.
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In the stacks
Searching the stacks…
Every page naming Punctelia negata in the Biodiversity Heritage Library →
This page is assembled live from iNaturalist, GBIF, Wikipedia, the Source Library and the Internet Archive. It is not yet part of the hand-edited codex. iNaturalist taxon 596957.