Table 2.

Pollens represented on 127 Datura wrightii stigmas sampled in the field from approx. 40 plants from 6 June to 21 July 2006

Species	% stigmas	% of all pollen deposited	Range deposited
Datura wrightii	100	94·7	8–1950
Argemone sp.	69·3	2·7	1–149
Misc. unidentified*	59·0	2·4	1–289
Agave palmeri	3·9	0·2	1–26
Pinaceae	3·9	≪0·01	1
Compositae†	4·7	≪0·01	1–3
Onagraceae	3·1	≪0·01	1–2

Flowers open at dusk for a single night; stigmas were collected the following morning.

*The ‘Miscellaneous unidentified’ class includes a large number of unidentified species.

^†‘Compositae’ are species in this family other than Argemone spp.