The overcup oak habitat contains several federally and state listed species of concern, e.g., Eggert's sunflower (Helianthus eggertii Small), Southern twayblade
(Listera australis Lindl.), the dusky gopher frog (Lithobates sevosus (Goin and Netting)), the mole salamander (Ambystoma talpoideum (Holbrook)), and the four-toed salamander (Hemidactylum scutatum (Temminck and Schlegel)) (Patterson, 1989; Clebsch and Pyne, 1995; Carver et al., 1998).
They had hoped to catch a glimpse of this rare species in the wild, and were thrilled that the southern twayblade
This search has continued on, and in 2004, at Churchill, we finally completed our search for the 36th species, when we discovered a colony of the rare Listera borealis, the northern twayblade
One orchid which is easily overlooked is the common twayblade
, which has long spikes of yellow-green flowers.
The other orchid species are the broad-leaved helleborine, common twayblade
and common spotted orchid.
Liparis liliifolia (L.) Rich.; Large Twayblade
; Mauve Sleekwort; Brown Widelip Orchid; Woods between Nature Center and Spring House; Rare; (#); C = 3; BSUH 12520.