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Microgramma
Family: Polypodiaceae
Microgramma image
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Clifton E. Nauman in Flora of North America (vol. 2)
Plants epiphytic or on rock. Stems long-creeping, branched, 0.5--1.5 mm diam., not whitish pruinose; scales bicolored, rhombic, glabrous, margins entire or toothed. Leaves monomorphic or dimorphic, well separated, not narrowed toward tip, to 17 cm; fertile leaves often narrower and longer than sterile leaves. Petiole articulate to stem, straw-colored to greenish, somewhat flattened. Blade simple, linear-elliptic to linear oblanceolate, glabrous, or sparsely scaly on midrib, margins entire to crenate. Veins obscure, forming a row of costal areoles and often additional areoles toward blade margins, areoles often with 1--several free included veinlets. Sori in 1 row between midrib and margin on included veinlets, discrete, round [elongate]; indument of threadlike scales or absent. Spores tuberculate to rugose. x = 37.
Species within inventory project: North American Species Lists
Microgramma baldwinii
Image of Microgramma baldwinii
Microgramma bifrons
Image of Microgramma bifrons
Microgramma bismarckii
Image of Microgramma bismarckii
Microgramma brunei
Image of Microgramma brunei
Microgramma cordata
Image of Microgramma cordata
Microgramma crispata
Image of Microgramma crispata
Microgramma dictyophylla
Image of Microgramma dictyophylla
Microgramma fosteri
Image of Microgramma fosteri
Microgramma geminata
Image of Microgramma geminata
Microgramma heterophylla
Image of Microgramma heterophylla
Microgramma latevagans
Image of Microgramma latevagans
Microgramma lindbergii
Image of Microgramma lindbergii
Microgramma lycopodioides
Image of Microgramma lycopodioides
Microgramma mauritiana
Image of Microgramma mauritiana
Microgramma megalophylla
Image of Microgramma megalophylla
Microgramma microsoroides
Image of Microgramma microsoroides
Microgramma mortoniana
Image of Microgramma mortoniana
Microgramma nitida
Image of Microgramma nitida
Microgramma owariense
Image of Microgramma owariense
Microgramma percussa
Image of Microgramma percussa
Microgramma persicariifolia
Image of Microgramma persicariifolia
Microgramma piloselloides
Image of Microgramma piloselloides
Microgramma recreense
Image of Microgramma recreense
Microgramma reptans
Image of Microgramma reptans
Microgramma rosmarinifolia
Image of Microgramma rosmarinifolia
Microgramma squamulosa
Image of Microgramma squamulosa
Microgramma tecta
Image of Microgramma tecta
Microgramma thurnii
Image of Microgramma thurnii
Microgramma tobagensis
Image of Microgramma tobagensis
Microgramma tuberosa
Image of Microgramma tuberosa
Microgramma ulei
Image of Microgramma ulei
Microgramma vaccinifolia
Image of Microgramma vaccinifolia
Microgramma vacciniifolia
Image of Microgramma vacciniifolia
Microgramma x moraviana
Images
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The PCC, and this data portal, were made possible by funding from the National Science Foundation’s Advancing Digitization of Biological Collections (ADBC) program, grant numbers 1802504, 1802352, 1802134, 1802033, 1802270, 1802255, 1802239, 1802446, 1802305.
The pteridoportal taxonomic thesaurus is based on the Checklist of Ferns and Lycophytes of the World, generously provided by Michael Hassler.