if you want to display item's form in a web part you need not to export it.

just add list form web part to a page and configure which list it should work for. it will automatically find the form (since there is only one form on the list).

It's not the display item form, but the wf start form that I wish to display elsewhere.

is it list or site workflow?

List

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Would a site workflow start form be easier to pull into a web part?

if it were site workflow, there is dedicated 'Start Site Workflow' web part.

for list workflow you could use Page Viewer web part, however, to be honest I'm not sure how you could dynamically change item ID to start workflow on. that likely would need some extra scripting.

‌ ‌ ‌ start site workflow webpart‌

Thank you for that info! I will export this workflow and import it into a site workflow.

I don't need it to run on a particular item, but select rows from the list based on my filter criteria. I should have created this initially as a site workflow, but I'm still learning!