... native x native; much less likely alien x native). Of course, if you are only growing B. menziesii and there are no other native or alien Bidens in your ...

... like B. amplectens, B. hawaiensis, B. menziesii, and B. torta ... x native; much less likely alien x native ... you are only growing B. mauiensis and there are ...

... like B. amplectens, B. hawaiensis, B. menziesii, and B. torta ... x native; much less likely alien x native ... are only growing B. hillebrandiana and there are ...