Unknown #3  "What is wrong with my plants?"

Pansy plugs showing chlorotic foliage and crown rot submitted to TPDDL

Crown tissue embedded
in corn meal agar with hymexazol grown at 26C

Classic "lacy" growth habit of a Phytophthora sp. on V8 agar

Phytophthora sp sporangia stained with lacto-fuchsin

Phytophthora a fungal like organism now in the kingdom of the protist causes crown and root rots of many ornamentals.  Usually compounded by overwatering, compact growing conditions or soil drainage issues.