Botryopteris illinoensis

Botryopteris illinoensis Mamay Ann. Missouri Bot. Gard., 37(3): 415. 30 Sep 1950

Name: Botryopteris illinoensis
Rank: Species
Generic Name: [Genus] Botryopteris
Authors (Pub.): Mamay S. H.
Publication: Some American Carboniferous fern fructifications [1950/9]
Journal: Annals of the Missouri Botanical Garden
Volume: 37
Issue: 3
Page number: 415
Year: 1950
Parent Taxon: [Genus] Botryopteris
Fossil Status: sporangia
Stratigraphy: Moscovian
Location: Urbandale Mine, Iowa, USA
Paleoregion: Laurussia (Laurentia)
Repository: Henry Shaw School of Botany, St. Louis, USA
Repository Number: Slides 1684-1686
Num: figs. 9, 10
Pub.: Some American Carboniferous fern fructifications [1950/9]
Diagnosis: Sporangia ovoid, averaging .40 mm. in length and .30 mm. in diameter. Largest cells of the annulus averaging 70 X 40 µ in transverse dimensions. Spores radial, trilete, axially flattened, with rounded corners and concave sides, 10 µ in axial dimensions and 23 µ between corners; spore walls smooth, with faint triradiate ridges.

Nomenclatural synonyms (basionyms)

Species

Botryopteridium illinoiense

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