Plagiochila microdictyon Mitt., previously considered a synonym of P. circinalis (Lehm. & Lindenb.) Lindenb., is a distinct species, with a limited distribution in northern New Zealand. This species has the coarse, nodular leaf cell trigones of P. circinalis, but has straight, non-coiled androecia, the male bracts toothed at the apex and united with the bract above. In dorsal aspect, the opposing leaf bases are separated by a conspicuous groove, leaving the surface of the stem narrowly exposed.
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1 March 2010
Austral Hepaticae 47. Plagiochila microdictyon Mitt. (Plagiochilaceae), a misunderstood species from New Zealand
John J. Engel,
Gary L. Merrill
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The Bryologist
Vol. 113 • No. 1
Spring 2010
Vol. 113 • No. 1
Spring 2010
Hepaticae
New Zealand
P. circinalis
P. microdictyon
Plagiochila