Tribe Arethuseae (Calopogon R. Brown and Arethusa L.) and Subfamily Vanilloideae (Part One) (Pogonia Jussieu) - The Pollination Biology of North American Orchids: North of Florida and Mexico - page 164

Pinkepank H (1993) Visiting the orchids of Newfoundland. Schlechteriana 4:59-65
Pridgeon AM, Cribb PM, Chase MW, Rasmussen FN (2003) Genera Orchidaceum, vol 3.
/RCHIDOIDEAEPART6ANILLOIDEAE/XFORD5NIVERSITY0RESS.EW9ORK
Pridgeon AM, Cribb PM, Chase MW, Rasmussen FN (2005) Genera Orchidaceum, vol 4.
%PIDENDROIDEAEPART/XFORD5NIVERSITY0RESS.EW9ORK
Robertson C (1887) Fertilization of Calopogon parviflora . Bot Gaz 12:288-291
Schoen DJ, Lloyd DG (1992) Self- and cross-fertilization in plants. III. Methods for studying
modes and functional aspects of self-fertilization. Int J Plant Sci 153:381-393
Sheviak CJ, Catling PM (2002a) Arethusa. In: Flora of North America Editorial Committee (ed)
&LORAOF.ORTH!MERICA.ORTHOF-EXICOVOL5NIVERSITYOF/XFORD0RESS/XFORD
pp 596-597
Sheviak CJ, Catling PM (2002b) Pogonia. In: Flora of North America Editorial Committee (ed)
&LORAOF.ORTH!MERICA.ORTHOF-EXICOVOL5NIVERSITYOF/XFORD0RESS/XFORD
pp 513-514
Sheviak CJ, Catling PM (2002c) Calopogon. In: Flora of North America Editorial Committee (ed)
&LORAOF.ORTH!MERICA.ORTHOF-EXICOVOL5NIVERSITYOF/XFORD0RESS/XFORD
pp 597-601
Sheviak CJ, Catling PM (2002d) Pogonia . In: Flora of North America Editorial Committee (ed)
&LORAOF.ORTH!MERICA.ORTHOF-EXICOVOL5NIVERSITYOF/XFORD0RESS/XFORD
pp 513-514
3MITH72/RCHIDSOF-INNESOTA5NIVERSITYOF-INNESOTA0RESS-INNEAPOLIS-.
Snow AA, Spira TP, Simpson R, Klips RA (1996) The ecology of geitonogamous pollination. In:
Lloyd DG, Barrett SCH (eds) Floral biology, studies on floral evolution in animal pollinated
plants. Chapman and Hall, New York, pp 191-216
Stoutamire WP (1971) Pollination in temperate American orchids. In: Coorrigan MJG (ed)
Proceedings of the 6th world orchid conference. Halstead, Sydney, pp 233-243
Thien LB (1971) Orchids viewed with ultraviolet-light. Am Orchid Soc Bull 40:877-880
Thien LB (1973) Isolating mechanisms in the genus Calopogon . Am Orchid Soc Bull
42:794-797
Thien LB, Marcks BK (1972) The floral biology of Arethusa bulbosa , Calopogon tuberosus , and
Pogonia ophioglossoides (Orchidaceae). Can J Bot 50:2319-2325
van der Cingle NA (2001) An atlas of orchid pollination: America, Africa, Asia and Australia.
A. A. Balkema, Rotterdam
VANDER0IJL,$ODSON#(/RCHIDmOWERSTHEIRPOLLINATIONANDEVOLUTION5NIVERSITYOF
Miami Press, Coral Gables, FL
Willson MF, Price PW (1977) The evolution of inflorescence size in Asclepias (Asclepiadaceae).
Evolution 31:495-511
Willson MF, Price PW (1980) Resource limitation of fruit and seed production in some Asclepias
species. Can J Bot 58:2229-2233
Wyatt R (1982) Inflorescence architecture: how floral number, arrangement, and phenology affect
pollination and fruit-set. Am J Bot 69:585-594
Yannetti RA (1996) Arethusa bulbosa life cycle, propagation, and production. In: Allen C (ed)
North American native terrestrial orchid conference. Native Orchid Conference, Germantown,
MD, pp 27-42
Yannetti RA (2003) Arethusa bulbosa. Color variation in a North American terrestrial orchid.
Orchids 72:268-271