Robuta

https://bellatlas.umn.edu/taxa/taxonomy/taxonomydynamicdisplay.php?target=419168 Minnesota Biodiversity Atlas Taxonomy Explorer: Chaenotheca trichialis f. subferruginea minnesota biodiversity atlas taxonomy explorer f https://bellatlas.umn.edu/taxa/index.php?tid=82096&taxauthid=1&clid=0 Minnesota Biodiversity Atlas - Chaenotheca laevigata minnesota biodiversity atlas https://www.semanticscholar.org/topic/Chaenotheca-gracilenta/9502540 Chaenotheca gracilenta | Semantic Scholar semantic scholar https://bellatlas.umn.edu/taxa/index.php?tid=82104&taxauthid=1&clid=0 Minnesota Biodiversity Atlas - Chaenotheca olivaceorufa minnesota biodiversity atlas