References
Nesom, G.L. 2021i. Cirsium ochrocentrum var. martinii (Asteraceae) at specific rank but with an earlier epithet. Phytoneuron 2021-72: 1-22. Published 30 December 2021. ISSN 2153 733X Google Scholar
Nesom, G.L. 2021i. Cirsium ochrocentrum var. martinii (Asteraceae) at specific rank but with an earlier epithet. Phytoneuron 2021-72: 1-22. Published 30 December 2021. ISSN 2153 733X Google Scholar