Only one morphological character had K value significantly different from 0 (three for the λ) while no MCA axis showed this pattern (Table 3).
In some cases collecting in habitats that have not been well explored reveal hidden diversity; in other cases a failure to recognize significant morphological characters has led to under estimates of diversity.
Phylogenetic studies have proved that extensive convergence or parallelism of morphological characters has occurred during the evolution of Ganoderma [ 17– 17].
It is evident that the traditional taxonomy of the Ganoderma complex based on morphological characters has long been chaotic, thus limiting its uses [ 12, 13].
Generalized homoplasy in morphological characters has been found in comparison with molecular data designed to test mammalian inter-ordinal relationships (Springer et al., 2007).
A cladistic analysis of Annelida, based on morphological characters, has resulted in a new classification [ 10, 11], with three major clades of the Polychaeta: Scolecida, Aciculata (= Amphinomida + Eunicida + Phyllodocida), and Canalipalpata (= Terebellida + Spionida + Sabellida [incl. Pogonophora]).
Classifying parasitic plants using morphological characters has long been difficult because of the extreme reduction or alteration of vegetative and floral morphology that occurs in holoparasitic lineages [ 3, 14].
Since that time, the amount of molecular data published on cetaceans has increased by more than two orders of magnitude, the number of relevant morphological characters has increased ~50%, while advances in computer applications and analytical methods now enable large-scale phylogenetic analyses that could not be completed in 1998.
Most of the information available from the fossil material pertains to its morphology and the means to quantify morphological characters have become of great importance.
Recently, a growing body of morphological characters have been identified that may also support a close relationship between flamingoes and grebes [29], [140] [142].
