sentence: For all indicator taxon analysis of door trim swab samples at the room level , associations were weak.Of the 139 ASVs considered indicators by any of the three methods , only 9 were included in the targeted analyses : Aspergillus penicillioides , A. ruber , A. tamarii , A. unguis , A. versicolor , Cladosporium sphaerospermum , Epicoccum nigrum , Penicillium citrinum , and Rhodotorula mucilaginosa were in the group with known a requirements ( Data Set S1 ) , and A. penicillioides , A. unguis , A. versicolor , and C. sphaerospermum were also in ERMI group 1 ( Data Set S2 ) .