Parmotrema gardneri (C. W. Dodge) Sérus.
Data Set Maintenance: Data set standard item. Data set author(s): Nash T.H. Data set reviewer(s): Nash T.H.
Nomenclature: Current taxonomic status: accepted. Taxonomic rank: species. Parmotrema. Parmeliaceae Zenker (1827); Lecanorineae; Lecanorales.
Type Information: Type: Parmelia gardneri Dodge.
Biogeography: Pantropical; submontane and montane. Continent: Africa, Australasia, Northern America, and Asia-Tropical. Checklist records: Australia, Mexico, and Sonoran Desert.
Ecology: Biotroph; lichenized; corticolous.
Thallus: Foliose, subdivided into main parts, without secondary parts, irregular, continuous throughout, lobed; lobes sub ascending; plane; branches applanate (moderately flattened); bifacial; separate thallus parts 8-11.5-15 mm wide. Thallus Size and Differentiation: 4-5-6 cm in diameter; apex rounded. Upper Surface: Grey, matt; not fissurate; not foveate; immaculate; epruinose; not pseudocyphellate; eciliate; cilia marginal; without hairs; not isidate; without isidiomorphs; not papillate, not pustulate; sorediate; soralia white, peripheral, sub capitate, linear, isolated, not confluent with other soralia, soredia coarse; not tuberculate; not lobulate. Lower Surface: Present, black, black in the centre, brown along the margin; attached by holdfasts; not cyphellate; not wrinkled; rhizinate; rhizines sparse, with a broad non-rhizinate margin, black, not branched; not tuberculate.
Upper Cortex: Double-layered.
Reproduction Strategy: With sexual (and possible asexual) stages. Ascocarps: Apothecioid, forming all across the thallus surface, sparse, 2-2.5-3 mm in diam.. Margin: Epruinose; sorediate. Disk: Brown.
Asci: Dehiscence lecanoralean.
Ascospores: c. 8 per ascus, ellipsoid, 18-20-22 µm long, 8-9-10 µm wide.
Conidiomata: Present; immersed.
Conidia: Sublageniform; 6-6.5-7 µm long; 1 µm wide.
Secondary Metabolites: Present; only in the upper part of the cortex, throughout the cortex, or throughout the thallus medulla, atranorin, chloroatranorin, or protocetraric acid.
Spot Tests: Cortex: KC + deep yellow; medulla: K –, C –, KC –, PD + red.
(report generated 04.Okt.2007)
In case that additional characters and states are required to be included in this data set, consult the LIAS Instructions to Participants and follow the procedures described there.