Chemical comparison of paraisariamide content in the endosclerotia of Paraisaria species collected in the USA A molecular network of the paraisariamide molecular family of cyclic peptides detected in methanol extracts of endosclerotia of Paraisaria specimens. Nodes are displayed as pie charts conveying the relative abundance of paraisariamide mass ion features in each Paraisaria species (Orange = P. cascadensis, Purple = P. pseudoheteropoda, Green = P. insignis, Yellow = “Paraisaria sp. 1”, Red = P. monticola) B extracted ion chromatograms of m/z 690–875 for methanol extracts of endosclerotia of Paraisaria specimens C principal component analysis of mass features m/z 690–875 from methanol extracts of endosclerotia of Paraisaria specimens, color-coded by phylogenetic clade.