, with lobed margins, yellow green; apothecia 0.5-2 mm in diameter, disk yellow or brown, margin concolorous with thallus Lecanora muralis 2.
A bright yellow, areolate
crust of western interior North America that is distinctly more lobate than similar species of Acarospora.
Veins of leaflet not areolate
; sori round or elongate and located along lateral veins and mid-veins of leaflets, but not in single end to end rows.
2008) by having skin tuberculate on dorsum with prominent pointed tubercles on limbs and areolate
with scattered rounded tubercles on venter, several tubercles on the upper eyelid, one of them is large and conical and groins and anterior surfaces of thighs coloration black with white spots.
Thallus yellow to brownish yellow, smooth to rugose, continuous, rimose to areolate
, 0.5-1.5 mm thick, soredia and isidia lacking.
tectum: 0 = not as follows; 1 = restricted to central grains.
Skin of dorsal surfaces smooth with very few, scattered, tiny tubercles; skin on throat, belly, and proximal posteroventral surfaces of thighs granular, other ventral areas smooth; flanks smooth, slightly areolate
anteriorly and with a few rounded tubercles on upper area; anal opening on upper level of thighs, directed posteroventraly, with short flap and dorsal low tubercular ridge.
Tracheids of secondary xylem have alternate, multiseriate, areolate
The wood presents extremely short vessel elements, with alternate areolate
punctuations, and simple perforated plates, vasicentric axial parenchima, confluent stripes, uniseriated rays, extremely short, fine and very short libriform fibres.