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"mostly Northern Hemisphere species" to "mostly Northern Hemispheric species"?
It's correct as it is. There's no need to change "Hemisphere" to "Hemispheric" in this context, since "Northern Hemisphere" acts as an adjective describing the origin of the species, not the species themselves. The term "Northern Hemisphere" is a proper noun used to describe a specific part of the Earth and does not have a common adjectival form. Esculenta (talk) 16:41, 7 March 2024 (UTC)[reply]
"Notably, Melanohalea peruviana" I think the "notably" should be dropped, since there aren't any sources saying this is notable.
The "Habitat and distribution" section explains how these two species are outliers and are significant because they represent the genus's limited distribution in tropical areas. Also, source 14 says "The large and diverse family Parmeliaceae is common in the tropical latitudes of South America, with a large number of genera and species known to occur there. Melanelixia and Melanohalea, the two recently erected brown parmelioid genera in this family (Blanco et al. 2004), are primarily north temperate however, and neither genus has been reported from northern South America. It was therefore particularly noteworthy when a small, fertile, undescribed species of Melanohalea was encountered among a small collection of Peruvian lichens sent to me for identification from the University of Uppsala". and later "As mentioned above, this is the first species of the primarily north temperate genus Melanohalea to be reported for tropical South America, although another highland tropical species was recently described from south central Mexico (Esslinger & Pérez Pérez 2010). Four species of Melanohalea and one species of Melanelixia are known from temperate South America, especially the far south (Esslinger 1977)." Esculenta (talk) 16:41, 7 March 2024 (UTC)[reply]
"The distribution...environmental pollutants." Hard to read since it's 4 clauses one after another, would be better as 2 sentences.
"with only M. halei assessed globally by the IUCN as least concern" to "M. halei, the only species that has been assessed for the global IUCN Red List, is listed as least concern"?
"including the type" The genus containing its type is kind of "water is wet" level obviousness. There's probably a better way to mention what the type is.
"cortex, but having" Why the "but"? Are usnic acid/atranorin the chemicals that usually give Parmelia lichen a brown color?
The "but" was to contrast with Parmelia-type lichens lacking usnic acid/atranorin that aren't brown, but on reflection, it's not really necessary, so removed. Esculenta (talk) 16:41, 7 March 2024 (UTC)[reply]
"Methods used...speciation in Melanohalea" Run-on sentence.
"Cell walls contain the α-glucan compound isolichenan." This doesn't seem immediately related to the morphology of the lichen, which is what the rest of the paragraph's about.
Images are licensed correctly and use appropriately.
Spot-checks: Verified all claims made, no issues except where noted below.
Cannon, P.; Divakar, P.; Yahr, R.; Aptroot, A.; Clerc, P.; Coppins, B.; Fryday, A.; Sanderson, N.; Simkin, J. (2023). Lecanorales: Parmeliaceae, including the genera Alectoria, Allantoparmelia, Arctoparmelia, Brodoa, Bryoria, Cetraria, Cetrariella, Cetrelia, Cornicularia, Evernia, Flavocetraria, Flavoparmelia, Hypogymnia, Hypotrachyna, Imshaugia, Melanelia, Melanelixia, Melanohalea, Menegazzia, Montanelia, Nesolechia, Parmelia, Parmelina, Parmeliopsis, Parmotrema, Platismatia, Pleurosticta, Protoparmelia, Pseudephebe, Pseudevernia, Punctelia, Raesaenenia, Tuckermannopsis, Usnea, Vulpicida and Xanthoparmelia (PDF). Revisions of British and Irish Lichens. Vol. 33.
Leavitt, Steven D.; Esslinger, Theodore L.; Divakar, Pradeep K.; Crespo, Ana; Lumbsch, H. Thorsten (2016). "Hidden diversity before our eyes: Delimiting and describing cryptic lichen-forming fungal species in camouflage lichens (Parmeliaceae, Ascomycota)". Fungal Biology. 120 (11)
Esslinger, Theodore L. (2012). "A new species of Melanohalea from the Andes Mountains in central Peru" (PDF). Opuscula Philolichenum. 11
Truong, Camille; Naciri, Yamama; Clerc, Philippe (2009). "Multivariate analysis of anatomical characters confirms the differentiation of two morphologically close species, Melanohalea olivacea (L.) O. Blanco et al. and M. septentrionalis (Lynge) O. Blanco et al" (PDF). The Lichenologist. 41
Divakar, Pradeep K.; Upreti, Dalip K. (2005). "A new species in Melanohalea (Parmeliaceae, Ascomycotina) and new lichen records from India". The Lichenologist. 37 (6
I think it'd be interesting to mention that M. nilgirica placement in the genus was questioned because it has an aliphatic acid as a secondary metabolite.
