Archana Dube

Leptogium verrucosum is a rare species of foliose lichen in the family Collemataceae. Found in India, it was formally described as a new species in 2010 by Archana Dube and Urmila Vasudev Makhija. The type specimen was collected from the walls of the Purandar fort (Maharashtra) at an elevation of 1,350 m (4,430 ft). It has also been recorded growing on bark in moist shady locations. Characteristics of Leptogium patwardhanii include the numerous pycnidia that give the thallus a warty appearance, and the wrinkled upper and lower surfaces. Its ascospores are muriform (divided into internal

Leptogium subazureum is a species of corticolous (bark-dwelling) and foliose lichen in the family Collemataceae. Found in India, it was formally described as a new species in 2010 by Archana Dube and Urmila Vasudev Makhija. The type specimen was collected along the road from Ajra to Amboli (Maharashtra) at an elevation of 900 m (3,000 ft). It is one of the most common lichens in the Western Ghats of Maharashtra. It grows along with mosses on the twigs and trunks of trees. The specific epithet subazureum alludes to its resemblance with Leptogium azureum, which differs in ascospore size.

Leptogium patwardhanii is a species of corticolous (bark-dwelling) and foliose lichen in the family Collemataceae. Found in India, it was formally described as a new species in 2010 by Archana Dube and Urmila Vasudev Makhija. The type specimen was collected in an evergreen forest in Amboli (Maharashtra) at an elevation of 690 m (2,260 ft). It is only known to occur at the type locality. Characteristics of Leptogium patwardhanii include the presence of isidia and the multilayered cortex of the thalline exciple. Its ascospores are muriform (divided into internal chambers by a single vertical

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