Flavopunctelia and Punctelia (lichenized Ascomycetes) from Nueva Galicia
DOI:
https://doi.org/10.33885/sf.2009.3.1042Keywords:
lichens, Parmeliaceae, pseudocyphellaAbstract
The lichens Flavopunctelia and Punctelia (Parmeliaceae) are characterized by the
presence of pseudocyphella in the upper surface. The first one has a yellowish-green upper
surface, usnic acid in the cortex and bifusiform picnidiospores. The second one has whitishgrayish
to yellowish-brown upper surface, lecanoric acid in the cortex and filiform or
unciform picnidiospores. 219 specimens were recollected in 102 localities from the Nueva
Galicia region (Aguascalientes, Colima and Jalisco, and part of Durango, Guanajuato,
Michoacán, Nayarit and Zacatecas). The studied specimens correspond to seven species:
Flavopunctelia flaventior, F. praesignis, F. soredica, Punctelia hypoleucites, P. perreticulata, P.
rudecta and P. subrudecta; from them, P. perreticulata is a new record to Mexico; three are
new reports to Jalisco, three to Zacatecas, two to Nayarit and one to Colima. A dichotomic
key is presented for the species found in Nueva Galicia.
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