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Yes, usual flora, normal flora, and typical flora are all normal results.
In last studies, Streptecoccus bovis is found in part of intestine even oral flora
there ara no microbial normal flora in the csf
You said that in your answer too. As the flora is normal, there is no harm
Normal flora cannot cause a "disease". But if normal flora is disrupted it can become a pathogen and then cause infection. Some diseases, like diabetes, can disrupt normal flora and cause infection, especially yeast infections on the skin or in the vagina of women.
normal flora
MRSA can enter any break (cut) in the skin.
Normal microbiota
In general, your "normal" skin flora protect you from "rogue" flora which might do you harm.