original: wahlenbergia species have dispersed widely , even to oceanic islands , and there are four species known from the island of st helena , including the now extinct species w. roxburghii .
simplifications: wahlenbergia species have broken up and moved away widely , even to oceanic islands , and there are four species known from the island of st helena , including the now gone forever species w. roxburghii . there are four species of the wahlenbergia that have spread widely to the oceanic islands of st helena including the now extinct species w.roxburghii. wahlenbergia species have spread widely , even to oceanic islands , and there are four species known from the island of st helena , including the now gone species w. roxburghii . wahlenbergia species have travelled far , even to oceanic islands , and there are four species known from the island of st helena , including the now extinct species w. roxburghii . wahlenbergia species have dispersed widely and there are four species known from the island of st helena , including the now extinct species w. roxburghii . the wahlenbergia species have spread out far and wide including some oceanic islands and the island of st helena contains all four specii and also the presently-extinct one , w. roxburghii wahlenbergia species have spread widely , even to islands in the ocean , and there are four species known from the island of st helena , including the now extinct species w. roxburghii . wahlenbergia species have dispersed widely and there are four species known from the island of st helena .