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Agriculture (USDA).
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Sheviak,
Charles J. (2002). "Platanthera hyperborea". In
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parviflorum var.
exiliens Sheviak –
Alaska C.
parviflorum var.
makasin (Farwell)
Sheviak –
commonly called the "northern
yellow lady's-slipper";...
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Sheviak,
Charles J. (2002). "Platanthera praeclara". In
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Sheviak,
Charles J. (2002). "Habenaria
quinqueseta (Michaux) Eaton". In
Flora of...
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diluvialis Sheviak".
Integrated Taxonomic Information System.
Retrieved 7
January 2025. NRCS...
- USA)
Spiranthes delitescens Sheviak (1990) –
reclusive ladies'-tresses (Southeastern Arizona)
Spiranthes diluvialis Sheviak (1984) – Ute's ladies'-tresses...
-
University Press. p. 33. ISBN 978-0-521-86645-3.
Retrieved 8
March 2021.
Sheviak,
Charles J. (2002). "Cypripedium acaule". In
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North America Editorial...
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Botanical Garden, St. Louis, MO &
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Sheviak,
Charles J. (2002). "Cypripedium". In
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North America Editorial...
- complex,
exhibiting different morphologies throughout its range.
Charles Sheviak, now
retired curator of the New York
State Museum Herbarium,
explored this...
-
Pogonia ophioglossoides (snakemouth orchid) .
accessed 1.25.2016.
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Flora of
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