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Title: Recent Observations on the Plants of Nihoa Island, Northwestern Hawaiian Islands 
Author: Conant, Sheila
Date: 1985-04
Publisher: University of Hawai'i Press
Citation: Conant S. 1985. Recent observations on the plants of Nihoa Island, Northwestern Hawaiian Islands. Pac Sci 39(2): 135-149.
Abstract: Terrestrial plants on Nihoa Island were censused, mapped, and
collected during four expeditions to the island between May 1980 and May 1983.
Distribution, abundance, and phenology of the vascular plants are reported,
including maps and population estimates for the rarer species. With the possible
exception of the exceedingly rare Amaranthus brownii, the island's endemic
plants are present in small but stable populations. A total of 7 months of field
work, including the first extended winter expedition to the island , permitted
exhaustive searches for rare species and opportunities to estimate populations of
winter annuals. Apparently, only one alien plant, Portulaca oleracea, is abundant
on the island. A second alien species, Nephrolepis multiflora, probably reached
the island naturally via wind or bird dispersal and occurs in very limited numbers.
ISSN: 0030-8870

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