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Harperella (Ptilimnium nodosum) is a carrot family plant that occurs in rocky riverbeds in the eastern U.S. Learn about its characteristics, geography, threats, and conservation status from the FWS website.
Ptilimnium nodosum, harperella ESA Status. Visit the U.S. Fish & Wildlife Service Species Profile link below for links to listing and other USFWS documents. Listed Endangered 1988; Recovery Plan 1991 (PDF, 4.5 MB) Threats
Harperella is a monotypic genus of flowering plants in the family Apiaceae. Its only species is Harperella nodosa (synonym Ptilimnium nodosum), known as piedmont mock bishopweed and harperella.
In Maryland, this delicate plant grows in streamside cobble and rock crevices here and on Fifteen Mile Creek. Found at 13 sites scattered from Maryland to Georgia, Harperella is adapted to the annual rise and fall of river waters.
Harperella (Ptilimnium nodosum) is a plant species that was listed as endangered in 1988 and has a widespread range in the US. The web page provides information on its taxonomy, listing status, recovery, and other resources.
Apr 14, 2015 · Harperella. Harperella (Ptilimnium nodsoum) is a rare and endangered perennial herb that grows to a height of 6 - 36 inches. It is also known as Bishops Weed. It comes from the carrot family. It smells similar to dill weed.
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Harperella is an annual plant with a slender, smooth stem and hollow, quill-like leaves. Its flowers are similar in appearance to those of the common road-side plant, Queen Anne's lace. They are small, white, and delicate and are arranged in clusters called umbels. This plant flowers in May and June.
