Neomacounia nitida
...that doubt exists about exactly where in Ontario at least two of the three known specimens of the extinct epiphytic moss Neomacounia nitida were collected in the 1860s?
...that doubt exists about exactly where in <a href="./Ontario" id="mwA-Q" rel="mw:WikiLink" title="Ontario">Ontario</a> at least two of the three known <a class="mw-disambig" href="./Specimen" id="mwA-U" rel="mw:WikiLink" title="Specimen">specimens</a> of the <a class="new" data-mw-i18n='{"title":{"lang":"x-page","key":"red-link-title","params":["List of extinct plants"]}}' href="./List_of_extinct_plants?action=edit&amp;redlink=1" id="mwA-Y" rel="mw:WikiLink" title="List of extinct plants" typeof="mw:LocalizedAttrs">extinct</a> <a href="./Epiphyte" id="mwA-c" rel="mw:WikiLink" title="Epiphyte">epiphytic</a> <a href="./Moss" id="mwA-g" rel="mw:WikiLink" title="Moss">moss</a> <i id="mwA-k"><b id="mwA-o"><a class="mw-redirect" href="./Neomacounia_nitida" id="mwA-s" rel="mw:WikiLink" title="Neomacounia nitida">Neomacounia nitida</a></b></i> were collected in the 1860s?