tragopogon dubius การใช้

True salsify, also called yellow salsify, belongs to Tragopogon dubius, a different genus altogether, and despite a similarity in appearance and flavor, the two are scarcely acquainted, let alone true relatives.
""'Tragopogon dubius " "'( "'yellow salsify "', "'western salsify, western goat's-beard, wild oysterplant, yellow goat's beard, goat's beard, goatsbeard, common salsify, salsify "') is a species of introduced into North America where it has become widespread, being reported from all the continental United States except for a few in the far south-east, and all provinces of Canada except Newfoundland and the northern territories.