Botrychium -

: Related groups formerly classified under Botrychium , such as the rattlesnake fern ( Botrypus ) and grapeferns ( Sceptridium ), are now often treated as separate genera. Conservation Status Lessons from the Botrychium matricariifolium complex

: Individual plants can exhibit "vegetative dormancy," where they fail to appear for one or more seasons before re-emerging later. Diversity and Taxonomy botrychium

Moonworts are perennial herbs that typically grow less than 20 cm tall. Unlike most common ferns, they have fleshy, hairless roots and produce a single aboveground leaf each growing season. : Related groups formerly classified under Botrychium ,