Published in Phytologia, in 1968, in volume 17, pages 353-366
Published in Phytologia, in 1968, in volume 17, pages 445-449
Published in Phytologia, in 1968, in volume 17, pages 367-368
Published in Phytologia, in 1968, in volume 17, pages 8-56
Published in Phytologia, in 1968, in volume 17, pages 113-114
Published in Phytologia, in 1968, in volume 17, pages 121-239
Published in Phytologia, in 1968, in volume 17, pages 249-328,
Published in Phytologia, in 1968, in volume 17, pages 245-246
Published in PHYTOLOGIA, in 1968, in volume 17, issue 2, pages 57-112
Published in Phytologia, in 1968, in volume 17, pages 329-42
Published in PHYTOLOGIA, in 1968, in volume 16, issue 3, pages 183-215
Published in PHYTOLOGIA, in 1968, in volume 16, issue 4, pages 357-388
Published in PHYTOLOGIA, in 1968, in volume 16, issue 5, pages 447-454
Published in Phytologia, in 1968, in volume 16, issue 6, pages 464-465
Published in PHYTOLOGIA, in 1968, in volume 15, issue 7, pages 462-463
Published in Phytologia, in 1968, in volume 17, issue 1, pages 1-7
Published in PHYTOLOGIA, in 1968, in volume 17, issue 2, pages 114-120
Published in Phytologia, in 1968, in volume 17, issue 3, pages 240-244
Published in Phytologia, in 1968, in volume 17, issue 4, pages 343
Published in Phytologia, in 1968, in volume 17, issue 4, pages 348-352
Published in Phytologia, in 1968, in volume 17, issue 6, pages 441-444
Published in PHYTOLOGIA, in 1968, in volume 16, issue 2, pages 57-58
Published in PHYTOLOGIA, in 1968, in volume 16, issue 2, pages 153-167
Published in PHYTOLOGIA, in 1968, in volume 16, issue 3, pages 216-218
Published in PHYTOLOGIA, in 1968, in volume 16, issue 3, pages 219-261
Published in Phytologia, in 1968, in volume 16, pages 265-339
Published in Phytologia, in 1968, in volume 16, issue 4, pages 354-356
Published in PHYTOLOGIA, in 1968, in volume 15, issue 7, pages 458-461
Published in Phytologia, in 1968, in volume 15, issue 7, pages 470-478
Published in Phytologia, in 1968, in volume 16, issue 1, pages 1-47
The vorvains collected on the Galapagos Islands by Charles Darwin during the voyage of the 'Beagle.'
Published in Phytologia, in 1968, in volume 16, issue 4, pages 340-342
Published in Phytologia, in 1968, in volume 16, issue 4, pages 343-353
Published in Phytologia, in 1968, in volume 16, issue 6, pages 459-463
Published in Phytologia, in 1968, in volume 17, issue 4, pages 344
Published in Phytologia, in 1968, in volume 17, issue 5, pages 369-371
Published in Phytologia, in 1968, in volume 17, issue 5, pages 372-395
Published in Phytologia, in 1968, in volume 17, issue 5, pages 396-421
Published in Phytologia, in 1968, in volume 17, issue 6, pages 425-428
Published in Phytologia, in 1968, in volume 17, issue 6, pages 429-434
Published in Phytologia, in 1968, in volume 17, issue 6, pages 435-438
Published in Phytologia, in 1968, in volume 17, issue 6, pages 439-440
Published in Phytologia, in 1968, in volume 17, issue 6, pages 450-464
Published in Phytologia, in 1968, in volume 17, issue 7, pages 473-505
Published in Phytologia, in 1968, in volume 18, issue 1, pages 1-43
Published in Phytologia, in 1968, in volume 18, issue 1, pages 44-62
Published in Phytologia, in 1968, in volume 15, pages 478-495
Published in Phytologia, in 1968, in volume 15, pages 496-502
Published in Phytologia, in 1968, in volume 16, pages 48-56
Published in Phytologia, in 1968, in volume 16, pages 62-86
Published in Phytologia, in 1968, in volume 16, pages 87-106
Published in Phytologia, in 1968, in volume 16, pages 107-152
Published in Phytologia, in 1968, in volume 16, pages 169-183
Published in Phytologia, in 1968, in volume 16, pages 393-434
Published in Phytologia, in 1968, in volume 16, pages 435-441
Published in Phytologia, in 1968, in volume 16, pages 442-446
Published in Phytologia, in 1968, in volume 16, pages 457-458
Published in Phytologia, in 1968, in volume 16, pages 467-486
Published in Phytologia, in 1968, in volume 16, pages 487-502