. 2015 Nov 26;3:e1411. doi: 10.7717/peerj.1411

Table 1. Vegetation type, latitude, longitude, altitude and population means of leaf trichome density, and atropine and scopolamine concentrations of 13 populations of Datura stramonium in central Mexico.

	Vegetation type	Latitude	Longitude	Altitude (m a.s.l.)	Trichome density (2.5 × mm²)	Atropine (mg/g)	Scopolamine (mg/g)
1. Acatzingo	DS	−97.78	19.32	2,160	8.99	0.295	0.159
2. Atlixco	DS	−98.42	18.98	1,840	9.04	0.691	0.577
3. Esperanza	DS	−97.37	18.85	2,278	9.57	0.535	0.542
4. Patria Nueva	DS	−98.96	20.38	2,040	12.62	0.317	0.367
5. Taxco	TDF	−99.66	18.5	1,582	9.02	0.957	0.266
6. Teotihuacán	DS	−98.86	19.68	2,294	8.73	0.437	0.353
7. Ticumán	TDF	−99.2	18.86	1,210	6.6	0.938	1.889
8. Tlaxiaca	DS	−98.86	20.08	2,340	9.36	0.288	0.458
9. Tula	DS	−99.35	20.05	2,020	6.06	3.129	2.804
10. Tzin Tzun Tzan	POF	−101.58	19.63	2,050	4.29	0.994	2.995
11. Valsequillo	DS	−98.11	18.91	2,209	6.09	1.767	0.044
12. Xalmimilulco	POF	−98.38	19.2	1,200	4.66	2.688	2.513
13. Zirahuén	POF	−101.91	19.43	2,174	4.91	0.618	1.968

Notes.