WebMar 15, 2024 · Parmelia sulcata. Click here to support NatureSpot by making a donation - small or large - your gift is very much appreciated. Thank you. This is a silvery grey-green lichen with dish like lobes. The … WebLichen Flora of the Greater Sonoran Desert Region. Vol 2. Thallus: foliose, medium sized, to 8 cm; lobate lobes: plane, linear to subirregular, spreading, 4-7 mm upper surface: bluish …

Minnesota Seasons - Eastern Speckled Shield Lichen

WebJan 25, 2024 · Rough speckled shield lichen (Punctelia rudecta) on sandstone in an oak and red cedar forest at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake … WebPunctelia rudecta, commonly known as the rough speckled shield or the speckleback lichen, is a North American species of foliose lichen in the family Parmeliaceae. This species can … goldfish go karts online

Punctelia rudecta - Wikiwand

Web4 rows · Included. The current Computer Vision Model knows about this taxon, so it might be included in ... Punctelia rudecta, commonly known as the rough speckled shield or the speckleback lichen, is a North American species of foliose lichen in the family Parmeliaceae. This species can be readily identified by the light color of the thallus underside, the relatively large lobes at the edges of the thallus, and the tiny white … See more Swedish lichenologist Erik Acharius described the lichen as a new species in 1814 as Parmelia rudecta. The type specimen was collected by American clergyman and botanist Gotthilf Heinrich Ernst Muhlenberg. … See more Punctelia rudecta has a temperate distribution in North America. Although the range maps included in some popular North American lichen field guides suggest that it does not … See more Based on the frequency of Punctelia rudecta in heavily polluted areas, it is considered a relatively pollution-tolerant species, although it is sensitive to ambient sulfur dioxide (SO2), … See more The thallus of Punctelia rudecta ranges in color from dark greenish-gray to almost blue-gray; it tends to be more gray-greenish when fresh, and more brown-yellowish when dry. The thallus has a relatively tight attachment to its substrate. The lobes … See more Punctelia rudecta has an annual radial (i.e., expanding outward from the center) growth rate of about 5 mm (0.2 in) per year, similar to other … See more Punctelia rudecta can be used to create a dye by a color-extraction with ammonia as a solvent. A pink color is obtained using this method. See more WebFamily - Parmeliaceae - Parmeliaceae. Species - Rough Speckled Shield Lichen - Punctelia rudecta. Rough Speckled Shield Lichen - Punctelia rudecta. No photos are currently available. If you have a high quality photo of this species, are confident in the identification, and would like to submit it for inclusion on the Montana Field Guide, please ... headache racks for pickups with utility beds