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Microsorum pustulatum subsp. howense (Tindale & P.S.Green) Bostock
Family Polypodiaceae
Microsorum pustulatum subsp. howense (Tindale & P.S.Green) Bostock APNI*

Synonyms: Phymatosorus pustulatus subsp. howensis Tindale & P.S.Green APNI*
Microsorum diversifolium (G.Forst.) Copel. APNI*

Description: Epiphytic, lithophytic or terrestrial ferns. Rhizome creeping, 4–10 mm diam.; scales broadly lanceolate, 3–5 mm long, 1.5–3 mm broad, acute to abruptly acuminate.

Fronds (simple?), trisect (rarely), or pinnatisect; stipe 10–25 cm long; lamina 15–35 cm long, shortly decurrent onto stipe at base; lobes 2–14, 3–20 cm long, 0.8–2 cm broad, blunt to acute, glabrous.

Sori manifestly sunken, globose, 1.5–3 mm diam., about 1/3 of the way in from margin to midrib.


Herbarium
Sheet

Distribution and occurrence: Lord Howe Is. Endemic.

Frequent on mossy rocks, decaying stumps, etc., in forested areas.
NSW subdivisions: LHI
AVH map***

Text by E.A. Brown
Taxon concept: Flora of Australia 49


APNI* Provides a link to the Australian Plant Name Index (hosted by the Australian National Botanic Gardens) for comprehensive bibliographic data
***The AVH map option provides a detailed interactive Australia wide distribution map drawn from collections held by all major Australian herbaria participating in the Australian Virtual Herbarium project.
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