TABLE 2

Statistical results for linear regression of functional traits with elevation and insolation.

Species	Trait	Range, mean, and variation			Elevation			Insolation			Elevation * Insolation
Species	Trait	Range	Mean	sd	F	P	+ / −	F	P	+ / −	F	P
Blue-eyed Mary	SLA (log; cm²/g)	15.4–61.0	28.0	10.6	2.08	0.173		1.06	0.322		1.51	0.241
	Seed Weight (mg)	0.300–1.03	0.629	0.163	0.911	0.357		1.46	0.248		0.838	0.377
	Aboveground Biomass (g)	0.013–0.122	0.054	0.031	4.53	0.053	+	1.14	0.305		1.60	0.228
	Flower Count	2–30	12.3	9.90	44.6	< 0.001	+	3.70	0.055	+	1.03	0.311
Cutleaf daisy	SLA (cm²/g)	8.84–13.1	10.5	1.15	0.650	0.439		1.13	0.312		7.08	0.024
	Seed Weight (mg)	0.072–0.303	0.207	0.070	45.4	< 0.001	+	0.377	0.553		6.30	0.031
	Aboveground Biomass (g)	0.616–1.47	0.910	0.231	0.079	0.784		0.017	0.898		0.016	0.903
	Flower Count	2–6	3.43	1.40	0.049	0.825		0.134	0.714		0.500	0.480
Blanketflower	SLA (cm²/g)	9.24–14.5	11.8	1.38	7.51	0.015	+	8.51	0.011	−	0.217	0.648
	Seed Weight (mg)	1.51–2.85	2.11	0.286	0.257	0.620		2.26	0.153		1.03	0.326
	Aboveground Biomass (g)	0.658–2.42	1.46	0.512	0.258	0.619		0.081	0.779		2.25	0.154
	Flower Count	1–3	1.84	0.765	0.039	0.843		0.005	0.942		0.769	0.380
Prairie smoke	SLA (cm²/g)	9.56–12.7	10.8	0.988	3.66	0.085		1.04	0.331		0.050	0.828
	Seed Weight (mg)	0.609–1.34	0.922	0.188	2.13	0.175		0.500	0.496		2.08	0.180
	Aboveground Biomass (g)	0.680–2.18	1.27	0.412	0.040	0.845		0.050	0.827		0.314	0.588
	Flower Count	0–3	1.59	1.02	0.962	0.327		1.59	0.207		1.25	0.264
Threadleaf phacelia	SLA (cm²/g)	—	—	—	—	—		—	—		—	—
	Seed Weight (mg)	0.179–0.362	0.296	0.052	0.298	0.605		4.59	0.076		3.14	0.127
	Aboveground Biomass (log; g)	0.174–0.984	0.349	0.249	0.016	0.903		0.131	0.730		1.02	0.351
	Flower Count	18–83	35.3	18.2	1.84	0.175		0.072	0.788		3.48	0.062

Notes: We used the inverse of insolation because of an opposing effect of elevation and insolation found during preliminary data exploration. Data transformation noted. +/− denote the direction of the relationship (positive or negative). Boldface indicates variables with significant results.