JACQ is the jointly administered herbarium management system and specimen database of the following herbaria: ADMONT, B, BAK, BRNU, CBH, CHER, DR, ERE, FT, GAT, GJO, GZU, HAL, HERZ, JE, KIEL, KFTA, KUFS, LAGU, LECB, LW, LWKS, LWS, LZ, MJG, NBSI, OLD, PI, PRC, TBI, TGU, TMRC, UBT, W, WU and WUP.

Listed Acronyms follow the Index Herbariorum Abbreviations.

For requests and comments please contact the corresponding Director/Curator listed in the Index Herbariorum directly.

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