Bitter, ?Bot. Jahrb. Syst. 54: 435. 1917.?, 1917.

Bitter, ?Bot. Jahrb. Syst. 55: 75. 1917.?, 1917.

Bitter, ?Bot. Jahrb. Syst. 54: 472. 1917.?, 1917.

Bitter and Bitter, ?Bot. Jahrb. Syst. 54: 486. 1917.?, 1917.

Bitter and Bitter, (D. ), ?Bot. Jahrb. Syst. 54: 506. 1917.?, 1917.

Bitter, ?Bot. Jahrb. Syst. 55: 79. 1917.?, 1917.

Bitter, ?Bot. Jahrb. Syst. 55: 111. 1917.?, 1917.

Bitter, ?Bot. Jahrb. Syst. 54: 471. 1917.?, 1917.

(D. ) Bitter, Dammer,, Bitter,, and Bitter, ?Bot. Jahrb. Syst. 54: 467. 1917.?, 1917.

Bitter, ?Bot. Jahrb. Syst. 54: 468. 1917.?, 1917.

Bitter, ?Bot. Jahrb. Syst. 54: 462. 1917.?, 1917.

Bitter and Bitter, ?Bot. Jahrb. Syst. 54: 464. 1917.?, 1917.

Bitter, Bitter,, and Bitter, (D. ), ?Bot. Jahrb. Syst. 54: 461. 1917.?, 1917.

Bitter, ?Bot. Jahrb. Syst. 54: 466. 1917.?, 1917.

Bitter, ?Bot. Jahrb. Syst. 54: 465. 1917.?, 1917.

Bitter, ?Bot. Jahrb. Syst. 54: 463. 1917.?, 1917.

Bitter, ?Bot. Jahrb. Syst. 54: 460. 1917.?, 1917.

Bitter, ?Bot. Jahrb. Syst. 55: 99. 1917.?, 1917.

Bitter, ?Bot. Jahrb. Syst. 55: 73. 1917.?, 1917.

Bitter, ?Bot. Jahrb. Syst. 55: 103. 1917.?, 1917.

Bitter, ?Bot. Jahrb. Syst. 55: 63. 1917.?, 1917.

Bitter, ?Bot. Jahrb. Syst. 55: 107. 1917.?, 1917.

Bitter and Bitter, ?Bot. Jahrb. Syst. 54: 501. 1917.?, 1917.

Bitter, ?Bot. Jahrb. Syst. 54: 477. 1917.?, 1917.

Bitter, ?Bot. Jahrb. Syst. 55: 68. 1917.?, 1917.

Bitter and Bitter, ?Bot. Jahrb. Syst. 55: 96. 1917.?, 1917.

Bitter, ?Repert. Spec. Nov. Regni Veg. 15: 94. 1917.?, 1917.

Bitter, ?Bot. Jahrb. Syst. 55: 64. 1917.?, 1917.

Bitter, ?Bot. Jahrb. Syst. 54: 489. 1917.?, 1917.

Bitter, ?Bot. Jahrb. Syst. 55: 95. 1917.?, 1917.

Bitter, ?Bot. Jahrb. Syst. 55: 91. 1917.?, 1917.