Synonym: Crocynia pyxinoides.
Common name: lobed cotton lichen.
Phyllopsora pyxinoides is a crustose lichen species characterized by a grayish-white to pale yellow thallus, often with a powdery appearance, and numerous, crowded, rounded apothecia. In East and Central Texas, it typically grows on the bark of deciduous trees, particularly oak and elm, in shaded, humid environments. The species is relatively common in the region, found in areas with rich soil and abundant moisture, such as along streams and rivers, and in wooded areas with dense canopies.
Lobed cotton lichen (Crocynia pyxinoides, Phyllopsora pyxinoides) on a holly tree in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, January 5, 2019
Lone Star Hiking Trail, Coldspring, TX 77331, USA
Lobed cotton lichen (Crocynia pyxinoidess, Phyllopsora pyxinoides) on a magnolia(?) tree in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, February 1, 2019Lone Star Hiking Trail, Coldspring, TX 77331, USA
Lobed cotton lichen (Crocynia pyxinoidess, Phyllopsora pyxinoides) on tree bark in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, February 1, 2019Lone Star Hiking Trail, Coldspring, TX 77331, USA
Lichens Cryptothecia striata and Phyllopsora pyxinoides (Crocynia pyxinoides) on a tree in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, February 1, 2019Lone Star Hiking Trail, Coldspring, TX 77331, USA
Phyllopsora pyxinoides (Crocynia pyxinoides) and Cryptothecia striata lichens on a tree in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, February 1, 2019Pine Tree Trail, Shepherd, TX 77371, USA
Lobed cotton lichen (Crocynia pyxinoides, Phyllopsora pyxinoides) on a tree near the creek in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, February 1, 2019Lone Star Hiking Trail, Coldspring, TX 77331, USA
Lobed cotton lichen (Crocynia pyxinoides, Phyllopsora pyxinoides) and a green foliose lichen in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, February 1, 2019Lone Star Hiking Trail, Coldspring, TX 77331, USA
Small patch of lobed cotton lichen (Crocynia pyxinoides, Phyllopsora pyxinoides) on a tree in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, February 1, 2019Lone Star Hiking Trail, Coldspring, TX 77331, USA
Lobed cotton lichen (Crocynia pyxinoides, Phyllopsora pyxinoides) on a tree in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, February 1, 2019Lone Star Hiking Trail, Coldspring, TX 77331, USA
Lobed cotton lichen (Crocynia pyxinoides, Phyllopsora pyxinoides) on a tree in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, February 1, 2019Lone Star Hiking Trail, Coldspring, TX 77331, USA
Lobed cotton lichen (Crocynia pyxinoides, Phyllopsora pyxinoides) with soredia in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, February 1, 2019Lone Star Hiking Trail, Coldspring, TX 77331, USA
Lobed cotton lichen (Crocynia pyxinoides, Phyllopsora pyxinoides) and Cryptothecia striata in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, February 1, 2019Lone Star Hiking Trail, Coldspring, TX 77331, USA
Soredia of lobed cotton lichen (Crocynia pyxinoides, Phyllopsora pyxinoides) in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, February 1, 2019Lone Star Hiking Trail, Coldspring, TX 77331, USA
Lobed cotton lichen (Crocynia pyxinoides, Phyllopsora pyxinoides) on a tree in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, February 1, 2019Lone Star Hiking Trail, Coldspring, TX 77331, USA
Lobed cotton lichen (Crocynia pyxinoides, Phyllopsora pyxinoides) on a tree on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest near Huntsville. Texas, March 2, 2019Little Lake Creek Loop Trail, Montgomery, TX 77356, USA
Lobed cotton lichen (Crocynia pyxinoides, Phyllopsora pyxinoides) with soredia on a tree on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest near Huntsville. Texas, March 2, 2019Little Lake Creek Loop Trail, Montgomery, TX 77356, USAPhyllopsora pyxinoides was observed growing on various trees in East and Central Texas, including holly, magnolia, and unidentified species. The lichen was found in the Big Creek Scenic Area of Sam Houston National Forest in Shepherd, Texas, and also on Caney Creek Trail near Huntsville. It was often seen growing alongside other lichens, such as Cryptothecia striata. The observations were made between January 5, 2019, and March 2, 2019. The lichen displayed characteristic lobed or cotton-like growth, with some specimens showing soredia. It was typically found on tree bark, often in small patches, but also formed larger colonies on some trees. The species appeared to be relatively common in the area, with multiple observations made over several visits. Its presence was noted on different tree species and in various locations within the forest.
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