Click the number at the start of a key lead to highlight both that lead and its corresponding lead. Click again to show only the two highlighted leads. Click a third time to return to the full key with the selected leads still highlighted.
1 Perigynia 3.4-4.9 (-5.4) mm long; pistillate scales whitish
1 Perigynia 2.5-3.5 mm long; pistillate scales pale brown, with green midrib