Preliminary report on a survey of Utricularia (Lentibulariaceae) in the Howard River – Shoal Bay area
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Plant conservation; Revegetation
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Lagoon, near Maningrida, near Mataranka, near Dunmarra). Habitat: amongst short grasses and sedges in sandy seasonal swamps. Apparently in areas inundated to 20 cm or more during the wet season, flowering once water has dried almost to ground level. Flowering: May - Aug., later than most other species in seasonally dry habitats. Abundance: uncommon. Proposed IUCN category: NT. Utricularia tubulata F.Muell. Type: Cashmere, Qld, Armit 222 (MEL: holo; BM, BOG, K: iso.). Distribution: W.A., N.T., Qld; in NT from Mary River to western Arnhem Land. One collection from W.A. Habitat: suspended aquatic, in still or slow flowing pools, rivers and floodplains. Flowering: Apr.-May. Abundance: rarely collected. Proposed IUCN category: dd(b) Utricularia uliginosa Vahl Type: East India, Koenig s.n. (holo: C; iso: LD). Distribution: India to Australia (W.A., N.T., Qld, N.S.W.); widespread in the Top End. Habitat: on organic and sandy substrates in permanently wet, boggy areas associated with spring-fed streams. Flowering: all months. Abundance: relatively common. Proposed IUCN category: lc.