Species: Nephroma occultum
Cryptic Paw Lichen
Encyclopedia of Puget Sound
Classification
Kingdom
Fungi
Phylum
Ascomycota
Class
Ascomycetes
Order
Peltigerales
Family
Nephromataceae
Genus
Nephroma
NatureServe
Classification
Informal Taxonomy
Fungi/Lichens - Lichens
Formal Taxonomy
Fungi - Ascomycota - Ascomycetes - Peltigerales - Nephromataceae - Nephroma - Nephroma occultum is the only North American representative of a group of Nephroma species otherwise endemic to southern South America (McCune and Geiser 1997).
Ecology and Life History
Short General Description
1 cm broad; upper surface yellowish green, yellowish tan, or greenish when dry, often with tan edges, blue gray when wet, with a weak or distinct network of ridges; lower surface cream to tan, smooth, lacking tomentum; coarse granular soredia usually present towards the center of the thallus; photobiont blue green; apothecia unknown (McCune and Geiser 1997).
Conservation Status
NatureServe Global Status Rank
G4
Global Status Last Reviewed
2007-07-06
Global Status Last Changed
2007-07-06
Distribution
Conservation Status Map
<img src="http://www.natureserve.org/explorer/servlet/GetMapGif?CA.BC=S2&US.AK=SNR&US.OR=S3&US.WA=S1" alt="Conservation Status Map" style="width: 475px; height: auto;" />
Global Range
Restricted to the Pacific Northwest, from Alaska south to Oregon. Occurs west of the Cascades, except for inland disjuncts in British Columbia (Goward 1994, McCune and Geiser 1997). In Alaska, known from Chilkoot Lake, and the Central Pacific Coast District (Zavarzin and Timdal 2004). Total U.S. occupancy is about 6757 square miles (17,500 square km). In British Columbia, approximately 20 square miles (52 square km).