Polyctenium
Encyclopedia
Polyctenium is a genus of flowering plants in the mustard family
Brassicaceae
Brassicaceae, a medium sized and economically important family of flowering plants , are informally known as the mustards, mustard flowers, the crucifers or the cabbage family....

. The plants are known by the common name 'combleaf,' owing to the resemblance of its deeply lobed leaves to a comb. There are two species within the genus: one, Polyctenium williamsiae, is quite rare and is specially protected in Nevada. The other, Polyctenium fremontii
Polyctenium fremontii
Polyctenium fremontii, the Desert Combleaf, is named both in English and Greek for its deeply lobed leaves, which almost appear at a quick glance to be pinnately compound. It takes the other portion of its scientific name from John C. Frémont. It is a small and compact plant native to the western...

, is more common.
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