Honckenya diffusa (Hornem.) Á. Löve & D. Löve = Honckenya peploides (L.) Ehrh.
English:
diffusus,-a,-um;

https://archive.org/stream/#page/39/mode/2up
homotypic synonyms:
Ammodenia peploides var. diffusa (Hornem.) Porsild; Arenaria diffusa (Hornem.) Wormsk.; Arenaria peploides var. diffusa Hornem.; Honckenya peploides subsp. diffusa (Hornem.) Hultén ex V.V.Petrovsky; Honckenya peploides var. diffusa (Hornem.) Ostenf.;

protologue: Bot. Not. 1950: 39 (1950)

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