]> GH barcode-02070213 United States of America Michigan [this specimen was presumably taken in northern Michigan, probably by Houghton and George H. Bull in 1839, as they collected other rock ferns that occur with this, or possibly by Houghton in 1840 -- A. A. Reznicek, 2023] Asplenium trichomanes Linnaeus Linnaeus 2024-01-04 11:52:16 D. Houghton & G. H. Bull