Mycorrhizal Status of Two Hawaiian Plant Species (Asteraceae) in a Tropical Alpine Habitat: The Threatened Haleakala Silversword (Argyroxiphium sandwicense subsp. macrocephalum) and the Endemic Dubautia menziesii
Mycorrhizal Status of Two Hawaiian Plant Species (Asteraceae) in a Tropical Alpine Habitat: The Threatened Haleakala Silversword (Argyroxiphium sandwicense subsp. macrocephalum) and the Endemic Dubautia menziesii
Date
2002-10
Authors
Koske, R.E.
Gemma, J.N.
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University of Hawai'i Press
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Abstract
Samples of roots and root-zone soil from the threatened species Argyroxiphium
sandwicense subsp. macrocephalum and the endemic species Dubautia
menziesii, both members of the Asteraceae, were collected in a tropical alpine
area in Haleakala National Park, Maui, Hawai'i, and examined for arbuscular
mycorrhizal fungi (AMF). All root samples exhibited the Paris-type of mycorrhizae
with arbuscules produced on hyphal coils, and all soil collections included
spores of AMF. Spores of Acaulospora, Entrophospora, Glomus, and Scutellospora
spp. were recovered from this site.
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Koske RE, Gemma JN. 2002. Mycorrhizal status of two Hawaiian plant species (Asteraceae) in a tropical alpine habitat: the threatened Haleakala Silversword (Argyroxiphium sandwicense subsp. macrocephalum) and the endemic Dubautia menziesii. Pac Sci 56(4): 423-430.
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