[
Ferns of the Columbia River Gorge of Oregon and Washington
]
Leather Grapefern, Leathery Grapefern
Sceptridium multifidum
Synonyms:
Botrychium californicum
,
Botrychium coulteri
,
Botrychium multifidum
,
Botrychium silaifolium
,
Osmunda multifida
Paul Slichter
