Category:Norma Etta Pfeiffer taxa
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