There's a reason Brazilian Rosewood has been the wood of choice for guitar fingerboards for over 100 years, there's simply nothing better for warmth, feel, durability and tone.
Brazilian is beautiful, dark, hard and resists decay from humidity, sweat, natural skin oils and time. If given the choice, most would chose Brazilian over any other dark rosewood boards.
Many companies call wood rosewood when in fact it is something else. It's just musical.