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NZ Plants
Marchantia berteroana
Family: Marchantiaceae
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Plants
L Jensen
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Thallus, dorsal surface with air pores
L Jensen
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Thallus, dorsal surface with numerous gemmae cups
J Braggins
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Gemma cup with toothed rim and numerous gemmae
L Jensen
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Gemmae cup, detail of teeth with inflexed cilia
R Gardner
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Thallus, ventral surface with scales
J Gardner
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Scales
R Gardner
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Male thallus with antheridiophores each consisting of a filamentous extension of the thallus terminating in a disc (receptacle)
L Jensen
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Antheridiophore discs, dorsal surface from above
L Jensen
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Maturing archegoniophores consisting of a filamentous extension of the thallus terminating in a disc (receptacle)
L Jensen
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Marchantia berteroana has a branching and lobed thallus with undulate margins. The dorsal epidermis has conspicuous air pores each with a hydrophobic cuticular ledge protecting against water loss; each pore leads into large sub-epidermal air chamber. Asexual propagules (gemmae) are formed in large gemmae cups with toothed margins . Female and male gametangia are borne on erect branches of the thallus called archegoniophores (female) and antheriodiophores (male).
Widespread in New Zealand on moist soil.