Metrosideros

The Bayesian algorithm of the program STRUCTURE was used to define genetic groups within Hawaiian Metrosideros and the closely related taxon M. collina from the Marquesas and Austral Islands.

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However, some montane species, such as Metrosideros ornata, are found in the lowlands.

Vanuatu rain forests

Patches of native forest remain around the higher peaks, and are characterized by Metrosideros, Aleurites, Celastrus vitiensis, Myrsine, Ixora, Psychotria, Cantium barbatum, and Charpentiera.

Tubuai tropical moist forests

Montane forest types consisting of Agathis and Podocarpus-growing in a matrix of Metrosideros, Syzygium, Weinmannia, Geissois, Quintania, and Ascarina-begin at altitudes of approximately 500 m and grade into stunted, patchy cloud forest up to the summits of Vanuatu's mountain peaks.

Vanuatu rain forests

Most of the habitats are species poor by comparison to New Guinea, though rich when compared to Polynesia-Micronesia, with several tree species dominating (such as those in the genera Terminalia, Pometia, Agathis and Metrosideros).

Biological diversity in the East Melanesian Islands

Scrub forests of Metrosideros collina are found on high crests and ridges with associated tree species and numerous epiphytic bryophytes and ferns.

Tubuai tropical moist forests

The high-elevation forests of New Ireland are dominated by Metrosideros salomonensis (Myrtaceae) 10-20 tall.

New Britain-New Ireland montane rain forests

Southren rata (Metrosideros umbellata) and kamahi (Weinmannia racemosa) grow on younger moraine surfaces that have retained some nutrients in the soil cover.

Westland temperate forests

The coastal forest is very diverse and includes northern rata (Metrosideros robusta), karaka (Corynocarpus laevigatus), and the nikau palm (Rhopalostylis sapida).

Nelson Coast temperate forests

Several islands still have remnants of native montane rain forests with Metrosideros, Weinmannia, Celtis, Myoporum, Elaeocarpus, Psychotria, and Myrsine.

Tubuai tropical moist forests