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Dennstaedtia globulifera (Poir.) Hieron.  
Family: Dennstaedtiaceae
[Dennstaedtia bradeorum Rosenst., moreDennstaedtia cicutaria var. tenera (C.Presl) T.Moore, Dennstaedtia exaltata (Kunze) Hieron., Dennstaedtia gracilis A. Rojas & Tejero, Dennstaedtia lagerheimii (Sod.) C. Chr., Dennstaedtia tamandarei Rosenst., Dennstaedtia tenera (Presl) Mett., Dennstaedtia tenera var. dentata Hieron., Dicksonia altissima Sm., Dicksonia cicutaria var. tenera (C.Presl) Fée, Dicksonia exaltata Kunze, Dicksonia globulifera (Poir.) O. Kuntze, Dicksonia lagerheimii Sod., Dicksonia punctulata Poir., Dicksonia tenera Presl, Microlepia oedematosa Fée, Polypodium globuliferum Poir., Sitolobium tenerum (Presl) Brack.]
Dennstaedtia globulifera image
  • FNA
  • Resources
Clifton E. Nauman
A. Murray Evans in Flora of North America (vol. 2)
Stems long-creeping, 3--10 mm diam. Leaves clustered to well separated to distant, erect or arching, 2--3 × (1--)2(--3) m. Petiole yellowish to brown throughout, lustrous, ca. 1/3 length of blade, sparsely pubescent with soft, jointed hairs. Blade green, dull, ovate to deltate, 3(--4)-pinnate, nearly as wide as long, base truncate, apex acute, with reddish jointed hairs on veins abaxially, glabrous adaxially. Basal segments of pinnules alternate; ultimate segments ovate to elliptic, base ± equilateral, margins lobed ca. 1/2 distance to midrib. Sori globose; indusia globose. Spores trilete, strongly 3-lobed, surface coarsely verrucose. 2 n = ca. 94. Sporulates summer. Moist caves or sinks; 300--500 m; Tex.; Mexico; West Indies; Central America; South America. The tropical Dennstaedtia globulifera and D . bipinnata are among the largest ferns in the flora. In the flora Dennstaedtia globulifera is found only in Val Verde County, Texas.

Dennstaedtia globulifera
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MBG
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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.