- Greensboro,
North Carolina:
National Plant Data Team.
Retrieved 7
October 2015.
Sheviak,
Charles J. (2002). "Platanthera hyperborea". In
Flora of
North America...
- 2305/IUCN.UK.2008.RLTS.T132834A3464336.en.
Retrieved 18
November 2021.
Sheviak,
Charles J. (2002). "Platanthera praeclara". In
Flora of
North America...
- recognized. They are: C.
parviflorum var.
exiliens Sheviak –
Alaska C.
parviflorum var.
makasin (Farwell)
Sheviak –
commonly called the "northern
yellow lady's-slipper";...
- USA)
Spiranthes delitescens Sheviak (1990) –
reclusive ladies'-tresses (Southeastern Arizona)
Spiranthes diluvialis Sheviak (1984) – Ute's ladies'-tresses...
- complex,
exhibiting different morphologies throughout its range.
Charles Sheviak, now
retired curator of the New York
State Museum Herbarium,
explored this...
-
crenulata (L.O.Williams)
Espejo & López-Ferr.
Schiedeella dendroneura (
Sheviak & Bye) Burns-Bal.
Schiedeella dressleri Szlach.
Schiedeella esquintlensis...
- as the name for
hybrids of
Spiranthes cernua and S. ochroleuca.
Charles Sheviak and
other researchers had long
suggested these species hybridized, but...
- 558,560,
Platanthera purpurascens". efloras.org.
Retrieved 2022-01-15.
Sheviak;
Jennings (December 1997). "Platanthera purpurascens".
North American Native...
- specimens". Rhodora. 110 (944): 389–405. doi:10.3119/07-24.1. S2CID 86405178.
Sheviak,
Charles J. (2001). "A role for
water droplets in the
pollination of Platanthera...
-
Spiranthes diluvialis. The
Nature Conservancy.
Retrieved August 6, 2011.
Sheviak, C. J. (1984).
Spiranthes diluvialis (Orchidaceae), a new
species from...
