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NZ Plants
Grimmia pulvinata
Family: Grimmiaceae
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Plants growing on a basalt wall
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Shoots from above
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Shoot
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Leaves at the shoot tip
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Leaf
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Emerging young sporophyte plants
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Immature capsule with calyptra cover
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Immature capsule with operculum lid
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Capsule with operculum lid
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Maturing sporophytes
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Capsule with operculum lid begining to separate
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Capsule, operculum shed exposing single peristome, moist
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Mature capsule, dry
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Mature capsule, spores shed
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Grimmia pulvinata forms compact cushions up to 10 mm high. The leaves are closely spaced and overlapping, up to 2 mm long and with long hair points. Young capsules are held in an inverted position among the leaves becoming erect and positioned above the leaves when mature. Mature capsules have a wide mouth and eight faint furrows.
Widespread in New Zealand on exposed rock.
