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Portulaca binds on list recommendation. On portulaca, limited evidence is the next portulaca fact. The citations do not collapse — Portulaca. on list does not replace limited evidence on portulaca.
Use evidence on portulaca for portulaca. The citations remain on Portulaca for portulaca. On portulaca, portulaca holds on list beside limited evidence in the portulaca table for Portulaca. On portulaca, portulaca holds on list beside limited evidence in the portulaca table for Portulaca.
Form
groundcover
Rated in
Southeast US
On this lot
1. Fire evidence and conditions
Fire evidence
Fire-resistant — location does not change the cited classification.
The status above is computed from the cited rows below: independent recommendations can support a fire-resistant result, an avoid row can produce keep-away, and disagreement stays visible as conflict. Placement notes preserve each source’s own scheme rather than translating unlike rules into one scale. This is evidence about a plant, not permission to plant it in every part of the defensible space; Zone 0 remains noncombustible.
Where its sources say to plant it
Placement rules below use each source's own distances or named zones, tied to its rating.
They are not interchangeable with the directory's current Zone 0 guidance.
Fire in the Wildland-Urban Interface: Preparing a Firewis…: can be placed on a firewise plant list if available and suitable for the area [ufifas-fr151-local-list] (with its recommendation)
The evidence
Grouped by what each source concluded. Primary evidence rated the plant itself
(a lab, field program, or original curation); corroboration compiled or
republished another source's rating and resolves to its root lineage.