Category:Norma Etta Pfeiffer taxa
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List of taxa authored by Norma Etta Pfeiffer.
Pages in category "Norma Etta Pfeiffer taxa"
The following 13 pages are in this category, out of 13 total.
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- Isoetes braunii f. robusta
- Isoetes braunii var. maritima
- Isoetes flaccida var. alata
- Isoetes flettii
- Isoetes howellii var. minima
- Isoetes lithophila
- Isoetes macrospora f. hieroglyphica
- Isoetes ovata
- Isoetes riparia var. canadensis
- Isoetes velata var. perralderiana
- Isoetes virginica
- Isoetes virginica var. piedmontana