Pollination Biology of Potentilla recta (Sulfur Cinquefoil) and Its Cooccurring Native Congener Potentilla gracilis in Northeastern Oregon

Table 3

Summary data for pollinator surveys for sulfur and native cinquefoil at four sites in northeastern Oregon, 2002, 2003, and 2004.

Sulfur cinquefoil			Native cinquefoil
Year	Mean abundance per site	Mean richness per site	Year	Mean abundance per site	Mean richness per site
2002	55.5	15.8	2002	36.0	12.0
2003	41.0	22.0	2003	74.8	33.3
2004	39.3	17.5	2004	44.0	13.8
Mean/Year	45.3	18.4	Mean/Year	51.6	19.7
Var	79.6	10.4	Var	418.5	139.1
Var/Mean	1.8	0.6	Var/Mean	8.1	7.1
Site	Mean abundance per year	Mean richness per year	Site	Mean abundance per year	Mean richness per year
Morgan	107	40	Morgan	153	56
Foothill	144	30	Foothill	25	13
Rice	127	44	Rice	164	51
Ham	102	41	Ham	268	54
Total	543	74	Total	619	93
Mean/Site	120.0	38.8	Mean/Site	152.5	43.5
Var	372.7	36.9	Var	9909.7	417.7
Var/Mean	3.1	1.0	Var/Mean	65.0	9.6