| Caryophyllaceae | |
Pycnophyllum aculeatum
| Muschl. | Bot. Jahrb. Syst. 45(4): 456–457, t. 1 | 1911 |
| Caryophyllaceae | |
Pycnophyllum argentinum
| Pax | Bot. Jahrb. Syst. 18(1–2): 33 | 1893 |
| Caryophyllaceae | |
Pycnophyllum aristatum
| Mattf. | Repert. Spec. Nov. Regni Veg. 18: 178 | 1922 |
| Caryophyllaceae | |
Pycnophyllum aschersonianum
| Muschl. | Bot. Jahrb. Syst. 45(4): 455–456 | 1911 |
| Caryophyllaceae | |
Pycnophyllum bryoides
| (Phil.) Rohrb. | Linnaea 36: 662 | 1870 |
| Caryophyllaceae | |
Pycnophyllum carinatum
| Muschl. | Bot. Jahrb. Syst. 45(4): 457 | 1911 |
| Caryophyllaceae | |
Pycnophyllum convexum
| Griseb. | Abh. Königl. Ges. Wiss. Göttingen 19: 76 | 1874 |
| Caryophyllaceae | |
Pycnophyllum dicranoides
| (Kunth) Muschl. | Bot. Jahrb. Syst. 45(4): 454 | 1911 |
| Caryophyllaceae | |
Pycnophyllum filiforme
| Mattf. | Repert. Spec. Nov. Regni Veg. 18: 172 | 1922 |
| Caryophyllaceae | |
Pycnophyllum glomeratum
| Mattf. | Repert. Spec. Nov. Regni Veg. 18: 171 | 1922 |
| Caryophyllaceae | |
Pycnophyllum holleanum
| Mattf. | Repert. Spec. Nov. Regni Veg. 18: 177 | 1922 |
| Caryophyllaceae | |
Pycnophyllum horizontale
| Muschl. | Bot. Jahrb. Syst. 45(4): 454–455 | 1911 |
| Caryophyllaceae | |
Pycnophyllum huascaranum
| Timaná | Lundellia 20: 14–16, f. 4 | 2017 |
| Caryophyllaceae | |
Pycnophyllum kobalanthum
| Mattf. | Repert. Spec. Nov. Regni Veg. 36: 274–275 | 1934 |
| Caryophyllaceae | |
Pycnophyllum lanatum
| Phil. | Anales Univ. Chile 81(6a): 774 | 1892 |
| Caryophyllaceae | |
Pycnophyllum lechlerianum
| Rohrb. | Linnaea 36: 664 | 1870 |
| Caryophyllaceae | |
Pycnophyllum leptothamnum
| Mattf. | Notizbl. Bot. Gart. Berlin-Dahlem 10: 1051 | 1930 |
| Caryophyllaceae | |
Pycnophyllum macropetalum
| Mattf. | Repert. Spec. Nov. Regni Veg. 18: 176 | 1922 |
| Caryophyllaceae | |
Pycnophyllum macrophyllum
| Muschl. | Bot. Jahrb. Syst. 45(4): 458 | 1911 |
| Caryophyllaceae | |
Pycnophyllum markgrafianum
| Mattf. | Repert. Spec. Nov. Regni Veg. 18: 175 | 1922 |
| Caryophyllaceae | |
Pycnophyllum mattfeldii
| J.F. Macbr. | Publ. Field Mus. Nat. Hist., Bot. Ser. 13(2/2): 611 | 1937 |
| Caryophyllaceae | |
Pycnophyllum molle
| J. Rémy | Ann. Sci. Nat., Bot., sér. 3, 6: 355, t. 20. | 1846 |
| Caryophyllaceae | |
Pycnophyllum mucronulatum
| Mattf. | Repert. Spec. Nov. Regni Veg. 18: 173 | 1922 |
| Caryophyllaceae | |
Pycnophyllum peruvianum
| Muschl. | Bot. Jahrb. Syst. 45(4): 457–458 | 1911 |
| Caryophyllaceae | |
Pycnophyllum pilgerianum
| Muschl. | Bot. Jahrb. Syst. 45(4): 454 | 1911 |
| Caryophyllaceae | |
Pycnophyllum spathulatum
| Mattf. | Repert. Spec. Nov. Regni Veg. 18: 175 | 1922 |
| Caryophyllaceae | |
Pycnophyllum stuebelii
| Mattf. | Repert. Spec. Nov. Regni Veg. 18: 171 | 1922 |
| Caryophyllaceae | |
Pycnophyllum sulcatum
| Griseb. | Abh. Königl. Ges. Wiss. Göttingen 19: 76–77 | 1874 |
| Caryophyllaceae | |
Pycnophyllum tetrastichum
| J. Rémy | Ann. Sci. Nat., Bot., sér. 3, 6: 356, t. 20 | 1846 |
| Caryophyllaceae | |
Pycnophyllum weberbaueri
| Muschl. | Bot. Jahrb. Syst. 45(4): 455 | 1911 |