The popularity of usnic acid is not only due to its pronounced bioactivities, but also its high content in lichen thallus
up to 8% of thallus
dry weight in Flavocetraria nivalis (Bjerke et al.
The sporophyte is a multicellular thallus
typically consisting of internal (i.
decumbent with prostrate main axes attached to other algae, ramisympodially branched (Figs.
filamentous, erect, 1 mm high, growing into one or two filaments from each basal cell.
Occurrence of Vaucheria in wrack is due to its siphonous thallus
structure, which enables to effectively overcome the water transport problem and enables the alga to grow outside truly aquatic habitats (Christensen, 1987).
The squamules can be convex, concave or convoluted, erect and elongated or flat and [+ or -] distinctly peltate, brown, olivaceous or blackish, matt, glossy or often covered by a bluish white pruina; the apothecia remain completely immersed or are secondarily raised above the thallus
surface and then surrounded by a thalline margin.
The evolution of thallus
form and survival strategies in benthic marine macroalgae: field and laboratory tests of a functional form model.
Cell I subspherical, partially to entirely inserted within host's integument; thallus
penetrating beneath integument with large haustorium (rhizomycelium).
laminaris, membranaceus, ad tactum mollis, intense roseus vel rubescens, oblongus vel suborbicularis, usque ad 25 cm altus, 16 cm latus, disco rhyzoideo praeditus, stipite brevi, non plus quam 0,5 cm longo.
Viable cells were counted by the cell- or thallus
forming unit method for bacteria or fungi, respectively.
The articles include name, type, references, thallus
, apothecia, apothecial anatomy, ascospores, pycnida, chemistry, substrate and ecology, distribution, notes, and specimens examined.
Awasthi (Ramalinaceae) is a tufted, errect, fruticose lichen with thallus
corticolous, tufted, errect, yellowish grey in colour, branched .