Tropicos | Name - Aphanostephus riddellii Torr. & A. Gray

Aphanostephus riddellii Torr. & A. Gray

Name	Reference	IPCN Reference	Gametophytic Count	Sporophytic Count
Aphanostephus riddellii Torr. & A. Gray	Powell, A. M. & S. A. Powell. 1978. Chromosome Numbers in Asteraceae. Madroño 25(3): 160–169.	75-78	5
Aphanostephus riddellii Torr. & A. Gray	Zhao, Z. & B. L. Turner. 1993. Documented chromosome numbers 1993: 3. Miscellaneous U.S.A. and Mexican species, mostly Asteraceae. Sida 15: 649–653.	92-93		10
Aphanostephus riddellii Torr. & A. Gray	Zhao, Z. 1996. Documented chromosome numbers 1996:2. Miscellaneous U. S. A. and Mexican species, mostly Asteraceae. Sida 17(1): 259–263.	96-97		10
Aphanostephus riddellii Torr. & A. Gray	Turner, B. L. 1978. In IOPB chromosome number reports LXII. Taxon 27: 519–535.	75-78	5